Home / 38,331.75-52,889.85-22,413.12

Finding the Fourth Proportional to 38,331.75, 52,889.85 and 22,413.12

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Solution

The fourth proportional to 38,331.75, 52,889.85 and 22,413.12 is: 30,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.75 : 52,889.85 = 22,413.12 : x
  2. Step 2: Convert to fraction form
    38,331.75/52,889.85 = 22,413.12/x
  3. Step 3: Cross multiply
    38,331.75x = 52,889.85 × 22,413.12
  4. Step 4: Simplify right side
    38,331.75x = 1,185,426,554.83
  5. Step 5: Solve for x
    x = 1,185,426,554.83/38,331.75
  6. Step 6: Final answer
    x = 30,925.45

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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.