Home / 63,133.12-94,679.11-21,001.89

Finding the Fourth Proportional to 63,133.12, 94,679.11 and 21,001.89

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Solution

The fourth proportional to 63,133.12, 94,679.11 and 21,001.89 is: 31,495.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,133.12 : 94,679.11 = 21,001.89 : x
  2. Step 2: Convert to fraction form
    63,133.12/94,679.11 = 21,001.89/x
  3. Step 3: Cross multiply
    63,133.12x = 94,679.11 × 21,001.89
  4. Step 4: Simplify right side
    63,133.12x = 1,988,440,253.52
  5. Step 5: Solve for x
    x = 1,988,440,253.52/63,133.12
  6. Step 6: Final answer
    x = 31,495.99

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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.