Home / 30,786.48-42,456.96-23,099.04

Finding the Fourth Proportional to 30,786.48, 42,456.96 and 23,099.04

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Solution

The fourth proportional to 30,786.48, 42,456.96 and 23,099.04 is: 31,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.48 : 42,456.96 = 23,099.04 : x
  2. Step 2: Convert to fraction form
    30,786.48/42,456.96 = 23,099.04/x
  3. Step 3: Cross multiply
    30,786.48x = 42,456.96 × 23,099.04
  4. Step 4: Simplify right side
    30,786.48x = 980,715,017.32
  5. Step 5: Solve for x
    x = 980,715,017.32/30,786.48
  6. Step 6: Final answer
    x = 31,855.38

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Double scale
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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.