Home / 36,520.38-54,788.76-11,561.88

Finding the Fourth Proportional to 36,520.38, 54,788.76 and 11,561.88

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Solution

The fourth proportional to 36,520.38, 54,788.76 and 11,561.88 is: 17,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,520.38 : 54,788.76 = 11,561.88 : x
  2. Step 2: Convert to fraction form
    36,520.38/54,788.76 = 11,561.88/x
  3. Step 3: Cross multiply
    36,520.38x = 54,788.76 × 11,561.88
  4. Step 4: Simplify right side
    36,520.38x = 633,461,068.47
  5. Step 5: Solve for x
    x = 633,461,068.47/36,520.38
  6. Step 6: Final answer
    x = 17,345.41

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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.