Home / 40,322.10-60,411.15-19,499.70

Finding the Fourth Proportional to 40,322.10, 60,411.15 and 19,499.70

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Solution

The fourth proportional to 40,322.10, 60,411.15 and 19,499.70 is: 29,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,322.10 : 60,411.15 = 19,499.70 : x
  2. Step 2: Convert to fraction form
    40,322.10/60,411.15 = 19,499.70/x
  3. Step 3: Cross multiply
    40,322.10x = 60,411.15 × 19,499.70
  4. Step 4: Simplify right side
    40,322.10x = 1,177,999,301.66
  5. Step 5: Solve for x
    x = 1,177,999,301.66/40,322.10
  6. Step 6: Final answer
    x = 29,214.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.