Home / 29,178.33-40,254.17-21,539.89

Finding the Fourth Proportional to 29,178.33, 40,254.17 and 21,539.89

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Solution

The fourth proportional to 29,178.33, 40,254.17 and 21,539.89 is: 29,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.33 : 40,254.17 = 21,539.89 : x
  2. Step 2: Convert to fraction form
    29,178.33/40,254.17 = 21,539.89/x
  3. Step 3: Cross multiply
    29,178.33x = 40,254.17 × 21,539.89
  4. Step 4: Simplify right side
    29,178.33x = 867,070,347.06
  5. Step 5: Solve for x
    x = 867,070,347.06/29,178.33
  6. Step 6: Final answer
    x = 29,716.24

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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.