Home / 38,601.12-57,904.92-12,298.80

Finding the Fourth Proportional to 38,601.12, 57,904.92 and 12,298.80

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Solution

The fourth proportional to 38,601.12, 57,904.92 and 12,298.80 is: 18,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,601.12 : 57,904.92 = 12,298.80 : x
  2. Step 2: Convert to fraction form
    38,601.12/57,904.92 = 12,298.80/x
  3. Step 3: Cross multiply
    38,601.12x = 57,904.92 × 12,298.80
  4. Step 4: Simplify right side
    38,601.12x = 712,161,030.10
  5. Step 5: Solve for x
    x = 712,161,030.10/38,601.12
  6. Step 6: Final answer
    x = 18,449.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.