Home / 29,484.06-40,687.29-16,908

Finding the Fourth Proportional to 29,484.06, 40,687.29 and 16,908

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Solution

The fourth proportional to 29,484.06, 40,687.29 and 16,908 is: 23,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,484.06 : 40,687.29 = 16,908 : x
  2. Step 2: Convert to fraction form
    29,484.06/40,687.29 = 16,908/x
  3. Step 3: Cross multiply
    29,484.06x = 40,687.29 × 16,908
  4. Step 4: Simplify right side
    29,484.06x = 687,940,699.32
  5. Step 5: Solve for x
    x = 687,940,699.32/29,484.06
  6. Step 6: Final answer
    x = 23,332.63

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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.