Home / 42,614.20-58,821.42-28,470.20

Finding the Fourth Proportional to 42,614.20, 58,821.42 and 28,470.20

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Solution

The fourth proportional to 42,614.20, 58,821.42 and 28,470.20 is: 39,298.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,614.20 : 58,821.42 = 28,470.20 : x
  2. Step 2: Convert to fraction form
    42,614.20/58,821.42 = 28,470.20/x
  3. Step 3: Cross multiply
    42,614.20x = 58,821.42 × 28,470.20
  4. Step 4: Simplify right side
    42,614.20x = 1,674,657,591.68
  5. Step 5: Solve for x
    x = 1,674,657,591.68/42,614.20
  6. Step 6: Final answer
    x = 39,298.11

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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.