Home / 87,897.09-131,844.24-21,337.77

Finding the Fourth Proportional to 87,897.09, 131,844.24 and 21,337.77

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Solution

The fourth proportional to 87,897.09, 131,844.24 and 21,337.77 is: 32,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,897.09 : 131,844.24 = 21,337.77 : x
  2. Step 2: Convert to fraction form
    87,897.09/131,844.24 = 21,337.77/x
  3. Step 3: Cross multiply
    87,897.09x = 131,844.24 × 21,337.77
  4. Step 4: Simplify right side
    87,897.09x = 2,813,262,068.94
  5. Step 5: Solve for x
    x = 2,813,262,068.94/87,897.09
  6. Step 6: Final answer
    x = 32,006.32

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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.