Home / 36,547.72-54,815.34-13,170.76

Finding the Fourth Proportional to 36,547.72, 54,815.34 and 13,170.76

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Solution

The fourth proportional to 36,547.72, 54,815.34 and 13,170.76 is: 19,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,547.72 : 54,815.34 = 13,170.76 : x
  2. Step 2: Convert to fraction form
    36,547.72/54,815.34 = 13,170.76/x
  3. Step 3: Cross multiply
    36,547.72x = 54,815.34 × 13,170.76
  4. Step 4: Simplify right side
    36,547.72x = 721,959,687.46
  5. Step 5: Solve for x
    x = 721,959,687.46/36,547.72
  6. Step 6: Final answer
    x = 19,753.89

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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.