Home / 29,304.42-40,440.05-15,876.02

Finding the Fourth Proportional to 29,304.42, 40,440.05 and 15,876.02

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Solution

The fourth proportional to 29,304.42, 40,440.05 and 15,876.02 is: 21,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.42 : 40,440.05 = 15,876.02 : x
  2. Step 2: Convert to fraction form
    29,304.42/40,440.05 = 15,876.02/x
  3. Step 3: Cross multiply
    29,304.42x = 40,440.05 × 15,876.02
  4. Step 4: Simplify right side
    29,304.42x = 642,026,981.19
  5. Step 5: Solve for x
    x = 642,026,981.19/29,304.42
  6. Step 6: Final answer
    x = 21,908.88

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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.