Home / 39,453.90-54,446.68-21,548.58

Finding the Fourth Proportional to 39,453.90, 54,446.68 and 21,548.58

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Solution

The fourth proportional to 39,453.90, 54,446.68 and 21,548.58 is: 29,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,453.90 : 54,446.68 = 21,548.58 : x
  2. Step 2: Convert to fraction form
    39,453.90/54,446.68 = 21,548.58/x
  3. Step 3: Cross multiply
    39,453.90x = 54,446.68 × 21,548.58
  4. Step 4: Simplify right side
    39,453.90x = 1,173,248,639.71
  5. Step 5: Solve for x
    x = 1,173,248,639.71/39,453.90
  6. Step 6: Final answer
    x = 29,737.20

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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.