Home / 29,301.02-40,435.35-15,872.61

Finding the Fourth Proportional to 29,301.02, 40,435.35 and 15,872.61

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Solution

The fourth proportional to 29,301.02, 40,435.35 and 15,872.61 is: 21,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,301.02 : 40,435.35 = 15,872.61 : x
  2. Step 2: Convert to fraction form
    29,301.02/40,435.35 = 15,872.61/x
  3. Step 3: Cross multiply
    29,301.02x = 40,435.35 × 15,872.61
  4. Step 4: Simplify right side
    29,301.02x = 641,814,494.71
  5. Step 5: Solve for x
    x = 641,814,494.71/29,301.02
  6. Step 6: Final answer
    x = 21,904.17

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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.