Home / 42,340.20-63,510.30-26,593.80

Finding the Fourth Proportional to 42,340.20, 63,510.30 and 26,593.80

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Solution

The fourth proportional to 42,340.20, 63,510.30 and 26,593.80 is: 39,890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,340.20 : 63,510.30 = 26,593.80 : x
  2. Step 2: Convert to fraction form
    42,340.20/63,510.30 = 26,593.80/x
  3. Step 3: Cross multiply
    42,340.20x = 63,510.30 × 26,593.80
  4. Step 4: Simplify right side
    42,340.20x = 1,688,980,216.14
  5. Step 5: Solve for x
    x = 1,688,980,216.14/42,340.20
  6. Step 6: Final answer
    x = 39,890.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.