Home / 42,548.06-63,817.22-11,385.74

Finding the Fourth Proportional to 42,548.06, 63,817.22 and 11,385.74

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Solution

The fourth proportional to 42,548.06, 63,817.22 and 11,385.74 is: 17,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.06 : 63,817.22 = 11,385.74 : x
  2. Step 2: Convert to fraction form
    42,548.06/63,817.22 = 11,385.74/x
  3. Step 3: Cross multiply
    42,548.06x = 63,817.22 × 11,385.74
  4. Step 4: Simplify right side
    42,548.06x = 726,605,898.43
  5. Step 5: Solve for x
    x = 726,605,898.43/42,548.06
  6. Step 6: Final answer
    x = 17,077.30

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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.