Home / 39,452.72-54,437.54-22,455.96

Finding the Fourth Proportional to 39,452.72, 54,437.54 and 22,455.96

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Solution

The fourth proportional to 39,452.72, 54,437.54 and 22,455.96 is: 30,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,452.72 : 54,437.54 = 22,455.96 : x
  2. Step 2: Convert to fraction form
    39,452.72/54,437.54 = 22,455.96/x
  3. Step 3: Cross multiply
    39,452.72x = 54,437.54 × 22,455.96
  4. Step 4: Simplify right side
    39,452.72x = 1,222,447,108.46
  5. Step 5: Solve for x
    x = 1,222,447,108.46/39,452.72
  6. Step 6: Final answer
    x = 30,985.12

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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.