Home / 29,443.28-40,620.84-17,507.12

Finding the Fourth Proportional to 29,443.28, 40,620.84 and 17,507.12

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Solution

The fourth proportional to 29,443.28, 40,620.84 and 17,507.12 is: 24,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,443.28 : 40,620.84 = 17,507.12 : x
  2. Step 2: Convert to fraction form
    29,443.28/40,620.84 = 17,507.12/x
  3. Step 3: Cross multiply
    29,443.28x = 40,620.84 × 17,507.12
  4. Step 4: Simplify right side
    29,443.28x = 711,153,920.38
  5. Step 5: Solve for x
    x = 711,153,920.38/29,443.28
  6. Step 6: Final answer
    x = 24,153.35

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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.