Home / 21,534.52-32,113.32-21,337.68

Finding the Fourth Proportional to 21,534.52, 32,113.32 and 21,337.68

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Solution

The fourth proportional to 21,534.52, 32,113.32 and 21,337.68 is: 31,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.52 : 32,113.32 = 21,337.68 : x
  2. Step 2: Convert to fraction form
    21,534.52/32,113.32 = 21,337.68/x
  3. Step 3: Cross multiply
    21,534.52x = 32,113.32 × 21,337.68
  4. Step 4: Simplify right side
    21,534.52x = 685,223,745.90
  5. Step 5: Solve for x
    x = 685,223,745.90/21,534.52
  6. Step 6: Final answer
    x = 31,819.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.