Home / 48,499.29-66,919-28,352.27

Finding the Fourth Proportional to 48,499.29, 66,919 and 28,352.27

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Solution

The fourth proportional to 48,499.29, 66,919 and 28,352.27 is: 39,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.29 : 66,919 = 28,352.27 : x
  2. Step 2: Convert to fraction form
    48,499.29/66,919 = 28,352.27/x
  3. Step 3: Cross multiply
    48,499.29x = 66,919 × 28,352.27
  4. Step 4: Simplify right side
    48,499.29x = 1,897,305,556.13
  5. Step 5: Solve for x
    x = 1,897,305,556.13/48,499.29
  6. Step 6: Final answer
    x = 39,120.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.