Home / 29,246.82-40,343.28-17,921.40

Finding the Fourth Proportional to 29,246.82, 40,343.28 and 17,921.40

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Solution

The fourth proportional to 29,246.82, 40,343.28 and 17,921.40 is: 24,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.82 : 40,343.28 = 17,921.40 : x
  2. Step 2: Convert to fraction form
    29,246.82/40,343.28 = 17,921.40/x
  3. Step 3: Cross multiply
    29,246.82x = 40,343.28 × 17,921.40
  4. Step 4: Simplify right side
    29,246.82x = 723,008,058.19
  5. Step 5: Solve for x
    x = 723,008,058.19/29,246.82
  6. Step 6: Final answer
    x = 24,720.91

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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.