Home / 34,649.29-47,805.15-21,206.53

Finding the Fourth Proportional to 34,649.29, 47,805.15 and 21,206.53

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Solution

The fourth proportional to 34,649.29, 47,805.15 and 21,206.53 is: 29,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,649.29 : 47,805.15 = 21,206.53 : x
  2. Step 2: Convert to fraction form
    34,649.29/47,805.15 = 21,206.53/x
  3. Step 3: Cross multiply
    34,649.29x = 47,805.15 × 21,206.53
  4. Step 4: Simplify right side
    34,649.29x = 1,013,781,347.63
  5. Step 5: Solve for x
    x = 1,013,781,347.63/34,649.29
  6. Step 6: Final answer
    x = 29,258.36

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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.