Home / 63,622.16-87,780.84-39,773.12

Finding the Fourth Proportional to 63,622.16, 87,780.84 and 39,773.12

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Solution

The fourth proportional to 63,622.16, 87,780.84 and 39,773.12 is: 54,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,622.16 : 87,780.84 = 39,773.12 : x
  2. Step 2: Convert to fraction form
    63,622.16/87,780.84 = 39,773.12/x
  3. Step 3: Cross multiply
    63,622.16x = 87,780.84 × 39,773.12
  4. Step 4: Simplify right side
    63,622.16x = 3,491,317,883.02
  5. Step 5: Solve for x
    x = 3,491,317,883.02/63,622.16
  6. Step 6: Final answer
    x = 54,875.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.