Home / 61,251.68-84,581.16-38,631.08

Finding the Fourth Proportional to 61,251.68, 84,581.16 and 38,631.08

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Solution

The fourth proportional to 61,251.68, 84,581.16 and 38,631.08 is: 53,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.68 : 84,581.16 = 38,631.08 : x
  2. Step 2: Convert to fraction form
    61,251.68/84,581.16 = 38,631.08/x
  3. Step 3: Cross multiply
    61,251.68x = 84,581.16 × 38,631.08
  4. Step 4: Simplify right side
    61,251.68x = 3,267,461,558.45
  5. Step 5: Solve for x
    x = 3,267,461,558.45/61,251.68
  6. Step 6: Final answer
    x = 53,344.85

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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.