Home / 38,340.61-57,516.72-12,042.88

Finding the Fourth Proportional to 38,340.61, 57,516.72 and 12,042.88

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Solution

The fourth proportional to 38,340.61, 57,516.72 and 12,042.88 is: 18,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.61 : 57,516.72 = 12,042.88 : x
  2. Step 2: Convert to fraction form
    38,340.61/57,516.72 = 12,042.88/x
  3. Step 3: Cross multiply
    38,340.61x = 57,516.72 × 12,042.88
  4. Step 4: Simplify right side
    38,340.61x = 692,666,956.95
  5. Step 5: Solve for x
    x = 692,666,956.95/38,340.61
  6. Step 6: Final answer
    x = 18,066.14

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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.