Home / 29,304.83-40,440.77-15,876.05

Finding the Fourth Proportional to 29,304.83, 40,440.77 and 15,876.05

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Solution

The fourth proportional to 29,304.83, 40,440.77 and 15,876.05 is: 21,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.83 : 40,440.77 = 15,876.05 : x
  2. Step 2: Convert to fraction form
    29,304.83/40,440.77 = 15,876.05/x
  3. Step 3: Cross multiply
    29,304.83x = 40,440.77 × 15,876.05
  4. Step 4: Simplify right side
    29,304.83x = 642,039,686.56
  5. Step 5: Solve for x
    x = 642,039,686.56/29,304.83
  6. Step 6: Final answer
    x = 21,909.01

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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.