Home / 42,778.19-58,972.15-29,328.14

Finding the Fourth Proportional to 42,778.19, 58,972.15 and 29,328.14

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Solution

The fourth proportional to 42,778.19, 58,972.15 and 29,328.14 is: 40,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,778.19 : 58,972.15 = 29,328.14 : x
  2. Step 2: Convert to fraction form
    42,778.19/58,972.15 = 29,328.14/x
  3. Step 3: Cross multiply
    42,778.19x = 58,972.15 × 29,328.14
  4. Step 4: Simplify right side
    42,778.19x = 1,729,543,655.39
  5. Step 5: Solve for x
    x = 1,729,543,655.39/42,778.19
  6. Step 6: Final answer
    x = 40,430.50

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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.