Home / 87,923.45-131,885.33-21,363.63

Finding the Fourth Proportional to 87,923.45, 131,885.33 and 21,363.63

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Solution

The fourth proportional to 87,923.45, 131,885.33 and 21,363.63 is: 32,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.45 : 131,885.33 = 21,363.63 : x
  2. Step 2: Convert to fraction form
    87,923.45/131,885.33 = 21,363.63/x
  3. Step 3: Cross multiply
    87,923.45x = 131,885.33 × 21,363.63
  4. Step 4: Simplify right side
    87,923.45x = 2,817,549,392.55
  5. Step 5: Solve for x
    x = 2,817,549,392.55/87,923.45
  6. Step 6: Final answer
    x = 32,045.48

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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.