Home / 29,238.80-40,349.64-16,663.76

Finding the Fourth Proportional to 29,238.80, 40,349.64 and 16,663.76

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Solution

The fourth proportional to 29,238.80, 40,349.64 and 16,663.76 is: 22,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.80 : 40,349.64 = 16,663.76 : x
  2. Step 2: Convert to fraction form
    29,238.80/40,349.64 = 16,663.76/x
  3. Step 3: Cross multiply
    29,238.80x = 40,349.64 × 16,663.76
  4. Step 4: Simplify right side
    29,238.80x = 672,376,717.05
  5. Step 5: Solve for x
    x = 672,376,717.05/29,238.80
  6. Step 6: Final answer
    x = 22,996.04

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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.