Home / 34,398.06-47,479.17-20,259.12

Finding the Fourth Proportional to 34,398.06, 47,479.17 and 20,259.12

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Solution

The fourth proportional to 34,398.06, 47,479.17 and 20,259.12 is: 27,963.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,398.06 : 47,479.17 = 20,259.12 : x
  2. Step 2: Convert to fraction form
    34,398.06/47,479.17 = 20,259.12/x
  3. Step 3: Cross multiply
    34,398.06x = 47,479.17 × 20,259.12
  4. Step 4: Simplify right side
    34,398.06x = 961,886,202.53
  5. Step 5: Solve for x
    x = 961,886,202.53/34,398.06
  6. Step 6: Final answer
    x = 27,963.39

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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.