Home / 39,719.68-54,848.76-29,630.60

Finding the Fourth Proportional to 39,719.68, 54,848.76 and 29,630.60

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Solution

The fourth proportional to 39,719.68, 54,848.76 and 29,630.60 is: 40,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.68 : 54,848.76 = 29,630.60 : x
  2. Step 2: Convert to fraction form
    39,719.68/54,848.76 = 29,630.60/x
  3. Step 3: Cross multiply
    39,719.68x = 54,848.76 × 29,630.60
  4. Step 4: Simplify right side
    39,719.68x = 1,625,201,488.38
  5. Step 5: Solve for x
    x = 1,625,201,488.38/39,719.68
  6. Step 6: Final answer
    x = 40,916.78

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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.