Home / 30,413.10-41,948.96-27,903.53

Finding the Fourth Proportional to 30,413.10, 41,948.96 and 27,903.53

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Solution

The fourth proportional to 30,413.10, 41,948.96 and 27,903.53 is: 38,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.10 : 41,948.96 = 27,903.53 : x
  2. Step 2: Convert to fraction form
    30,413.10/41,948.96 = 27,903.53/x
  3. Step 3: Cross multiply
    30,413.10x = 41,948.96 × 27,903.53
  4. Step 4: Simplify right side
    30,413.10x = 1,170,523,714.57
  5. Step 5: Solve for x
    x = 1,170,523,714.57/30,413.10
  6. Step 6: Final answer
    x = 38,487.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.