Home / 39,529.35-54,548.78-21,624.71

Finding the Fourth Proportional to 39,529.35, 54,548.78 and 21,624.71

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Solution

The fourth proportional to 39,529.35, 54,548.78 and 21,624.71 is: 29,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,529.35 : 54,548.78 = 21,624.71 : x
  2. Step 2: Convert to fraction form
    39,529.35/54,548.78 = 21,624.71/x
  3. Step 3: Cross multiply
    39,529.35x = 54,548.78 × 21,624.71
  4. Step 4: Simplify right side
    39,529.35x = 1,179,601,167.49
  5. Step 5: Solve for x
    x = 1,179,601,167.49/39,529.35
  6. Step 6: Final answer
    x = 29,841.15

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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.