Home / 63,381.77-87,526.10-40,760.04

Finding the Fourth Proportional to 63,381.77, 87,526.10 and 40,760.04

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Solution

The fourth proportional to 63,381.77, 87,526.10 and 40,760.04 is: 56,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,381.77 : 87,526.10 = 40,760.04 : x
  2. Step 2: Convert to fraction form
    63,381.77/87,526.10 = 40,760.04/x
  3. Step 3: Cross multiply
    63,381.77x = 87,526.10 × 40,760.04
  4. Step 4: Simplify right side
    63,381.77x = 3,567,567,133.24
  5. Step 5: Solve for x
    x = 3,567,567,133.24/63,381.77
  6. Step 6: Final answer
    x = 56,286.96

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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.