Home / 63,306.96-94,945.76-21,189.12

Finding the Fourth Proportional to 63,306.96, 94,945.76 and 21,189.12

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Solution

The fourth proportional to 63,306.96, 94,945.76 and 21,189.12 is: 31,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.96 : 94,945.76 = 21,189.12 : x
  2. Step 2: Convert to fraction form
    63,306.96/94,945.76 = 21,189.12/x
  3. Step 3: Cross multiply
    63,306.96x = 94,945.76 × 21,189.12
  4. Step 4: Simplify right side
    63,306.96x = 2,011,817,102.13
  5. Step 5: Solve for x
    x = 2,011,817,102.13/63,306.96
  6. Step 6: Final answer
    x = 31,778.77

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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.