Home / 37,707.28-56,561.06-12,747.38

Finding the Fourth Proportional to 37,707.28, 56,561.06 and 12,747.38

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Solution

The fourth proportional to 37,707.28, 56,561.06 and 12,747.38 is: 19,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,707.28 : 56,561.06 = 12,747.38 : x
  2. Step 2: Convert to fraction form
    37,707.28/56,561.06 = 12,747.38/x
  3. Step 3: Cross multiply
    37,707.28x = 56,561.06 × 12,747.38
  4. Step 4: Simplify right side
    37,707.28x = 721,005,498.29
  5. Step 5: Solve for x
    x = 721,005,498.29/37,707.28
  6. Step 6: Final answer
    x = 19,121.12

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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.