Home / 42,417.68-63,622.20-11,256.08

Finding the Fourth Proportional to 42,417.68, 63,622.20 and 11,256.08

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Solution

The fourth proportional to 42,417.68, 63,622.20 and 11,256.08 is: 16,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.68 : 63,622.20 = 11,256.08 : x
  2. Step 2: Convert to fraction form
    42,417.68/63,622.20 = 11,256.08/x
  3. Step 3: Cross multiply
    42,417.68x = 63,622.20 × 11,256.08
  4. Step 4: Simplify right side
    42,417.68x = 716,136,572.98
  5. Step 5: Solve for x
    x = 716,136,572.98/42,417.68
  6. Step 6: Final answer
    x = 16,882.97

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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.