Home / 42,343.07-63,491.92-14,253.80

Finding the Fourth Proportional to 42,343.07, 63,491.92 and 14,253.80

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Solution

The fourth proportional to 42,343.07, 63,491.92 and 14,253.80 is: 21,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,343.07 : 63,491.92 = 14,253.80 : x
  2. Step 2: Convert to fraction form
    42,343.07/63,491.92 = 14,253.80/x
  3. Step 3: Cross multiply
    42,343.07x = 63,491.92 × 14,253.80
  4. Step 4: Simplify right side
    42,343.07x = 905,001,129.30
  5. Step 5: Solve for x
    x = 905,001,129.30/42,343.07
  6. Step 6: Final answer
    x = 21,373.06

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1.5x scale

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.