Home / 42,644.30-63,966.70-11,052.20

Finding the Fourth Proportional to 42,644.30, 63,966.70 and 11,052.20

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Solution

The fourth proportional to 42,644.30, 63,966.70 and 11,052.20 is: 16,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,644.30 : 63,966.70 = 11,052.20 : x
  2. Step 2: Convert to fraction form
    42,644.30/63,966.70 = 11,052.20/x
  3. Step 3: Cross multiply
    42,644.30x = 63,966.70 × 11,052.20
  4. Step 4: Simplify right side
    42,644.30x = 706,972,761.74
  5. Step 5: Solve for x
    x = 706,972,761.74/42,644.30
  6. Step 6: Final answer
    x = 16,578.36

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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.