Home / 42,578.28-58,727.70-29,150.10

Finding the Fourth Proportional to 42,578.28, 58,727.70 and 29,150.10

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Solution

The fourth proportional to 42,578.28, 58,727.70 and 29,150.10 is: 40,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,578.28 : 58,727.70 = 29,150.10 : x
  2. Step 2: Convert to fraction form
    42,578.28/58,727.70 = 29,150.10/x
  3. Step 3: Cross multiply
    42,578.28x = 58,727.70 × 29,150.10
  4. Step 4: Simplify right side
    42,578.28x = 1,711,918,327.77
  5. Step 5: Solve for x
    x = 1,711,918,327.77/42,578.28
  6. Step 6: Final answer
    x = 40,206.38

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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.