Home / 39,529.13-54,551.22-21,624.89

Finding the Fourth Proportional to 39,529.13, 54,551.22 and 21,624.89

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Solution

The fourth proportional to 39,529.13, 54,551.22 and 21,624.89 is: 29,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,529.13 : 54,551.22 = 21,624.89 : x
  2. Step 2: Convert to fraction form
    39,529.13/54,551.22 = 21,624.89/x
  3. Step 3: Cross multiply
    39,529.13x = 54,551.22 × 21,624.89
  4. Step 4: Simplify right side
    39,529.13x = 1,179,664,131.87
  5. Step 5: Solve for x
    x = 1,179,664,131.87/39,529.13
  6. Step 6: Final answer
    x = 29,842.91

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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.