Home / 39,251.73-54,166.87-21,346.35

Finding the Fourth Proportional to 39,251.73, 54,166.87 and 21,346.35

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Solution

The fourth proportional to 39,251.73, 54,166.87 and 21,346.35 is: 29,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.73 : 54,166.87 = 21,346.35 : x
  2. Step 2: Convert to fraction form
    39,251.73/54,166.87 = 21,346.35/x
  3. Step 3: Cross multiply
    39,251.73x = 54,166.87 × 21,346.35
  4. Step 4: Simplify right side
    39,251.73x = 1,156,264,965.42
  5. Step 5: Solve for x
    x = 1,156,264,965.42/39,251.73
  6. Step 6: Final answer
    x = 29,457.68

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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.