Home / 39,253.52-54,168.84-21,348.08

Finding the Fourth Proportional to 39,253.52, 54,168.84 and 21,348.08

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Solution

The fourth proportional to 39,253.52, 54,168.84 and 21,348.08 is: 29,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.52 : 54,168.84 = 21,348.08 : x
  2. Step 2: Convert to fraction form
    39,253.52/54,168.84 = 21,348.08/x
  3. Step 3: Cross multiply
    39,253.52x = 54,168.84 × 21,348.08
  4. Step 4: Simplify right side
    39,253.52x = 1,156,400,729.83
  5. Step 5: Solve for x
    x = 1,156,400,729.83/39,253.52
  6. Step 6: Final answer
    x = 29,459.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.