Home / 29,701.08-40,972.64-17,761.28

Finding the Fourth Proportional to 29,701.08, 40,972.64 and 17,761.28

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Solution

The fourth proportional to 29,701.08, 40,972.64 and 17,761.28 is: 24,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,701.08 : 40,972.64 = 17,761.28 : x
  2. Step 2: Convert to fraction form
    29,701.08/40,972.64 = 17,761.28/x
  3. Step 3: Cross multiply
    29,701.08x = 40,972.64 × 17,761.28
  4. Step 4: Simplify right side
    29,701.08x = 727,726,237.71
  5. Step 5: Solve for x
    x = 727,726,237.71/29,701.08
  6. Step 6: Final answer
    x = 24,501.68

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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.