Home / 87,933.95-131,899.74-21,373.89

Finding the Fourth Proportional to 87,933.95, 131,899.74 and 21,373.89

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Solution

The fourth proportional to 87,933.95, 131,899.74 and 21,373.89 is: 32,060.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.95 : 131,899.74 = 21,373.89 : x
  2. Step 2: Convert to fraction form
    87,933.95/131,899.74 = 21,373.89/x
  3. Step 3: Cross multiply
    87,933.95x = 131,899.74 × 21,373.89
  4. Step 4: Simplify right side
    87,933.95x = 2,819,210,533.79
  5. Step 5: Solve for x
    x = 2,819,210,533.79/87,933.95
  6. Step 6: Final answer
    x = 32,060.55

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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.