Home / 34,691.82-47,875.87-21,260.48

Finding the Fourth Proportional to 34,691.82, 47,875.87 and 21,260.48

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Solution

The fourth proportional to 34,691.82, 47,875.87 and 21,260.48 is: 29,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.82 : 47,875.87 = 21,260.48 : x
  2. Step 2: Convert to fraction form
    34,691.82/47,875.87 = 21,260.48/x
  3. Step 3: Cross multiply
    34,691.82x = 47,875.87 × 21,260.48
  4. Step 4: Simplify right side
    34,691.82x = 1,017,864,147.76
  5. Step 5: Solve for x
    x = 1,017,864,147.76/34,691.82
  6. Step 6: Final answer
    x = 29,340.18

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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.