Home / 87,924.58-131,885.04-21,365.05

Finding the Fourth Proportional to 87,924.58, 131,885.04 and 21,365.05

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Solution

The fourth proportional to 87,924.58, 131,885.04 and 21,365.05 is: 32,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.58 : 131,885.04 = 21,365.05 : x
  2. Step 2: Convert to fraction form
    87,924.58/131,885.04 = 21,365.05/x
  3. Step 3: Cross multiply
    87,924.58x = 131,885.04 × 21,365.05
  4. Step 4: Simplify right side
    87,924.58x = 2,817,730,473.85
  5. Step 5: Solve for x
    x = 2,817,730,473.85/87,924.58
  6. Step 6: Final answer
    x = 32,047.13

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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.