Home / 39,452.67-54,445.87-21,548.63

Finding the Fourth Proportional to 39,452.67, 54,445.87 and 21,548.63

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Solution

The fourth proportional to 39,452.67, 54,445.87 and 21,548.63 is: 29,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.67 : 54,445.87 = 21,548.63 : x
  2. Step 2: Convert to fraction form
    39,452.67/54,445.87 = 21,548.63/x
  3. Step 3: Cross multiply
    39,452.67x = 54,445.87 × 21,548.63
  4. Step 4: Simplify right side
    39,452.67x = 1,173,234,070.71
  5. Step 5: Solve for x
    x = 1,173,234,070.71/39,452.67
  6. Step 6: Final answer
    x = 29,737.76

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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.