Home / 42,381.13-63,580.80-14,301.88

Finding the Fourth Proportional to 42,381.13, 63,580.80 and 14,301.88

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Solution

The fourth proportional to 42,381.13, 63,580.80 and 14,301.88 is: 21,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.13 : 63,580.80 = 14,301.88 : x
  2. Step 2: Convert to fraction form
    42,381.13/63,580.80 = 14,301.88/x
  3. Step 3: Cross multiply
    42,381.13x = 63,580.80 × 14,301.88
  4. Step 4: Simplify right side
    42,381.13x = 909,324,971.90
  5. Step 5: Solve for x
    x = 909,324,971.90/42,381.13
  6. Step 6: Final answer
    x = 21,455.89

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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.