Home / 51,740.22-71,400.87-29,382.78

Finding the Fourth Proportional to 51,740.22, 71,400.87 and 29,382.78

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Solution

The fourth proportional to 51,740.22, 71,400.87 and 29,382.78 is: 40,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,740.22 : 71,400.87 = 29,382.78 : x
  2. Step 2: Convert to fraction form
    51,740.22/71,400.87 = 29,382.78/x
  3. Step 3: Cross multiply
    51,740.22x = 71,400.87 × 29,382.78
  4. Step 4: Simplify right side
    51,740.22x = 2,097,956,055.02
  5. Step 5: Solve for x
    x = 2,097,956,055.02/51,740.22
  6. Step 6: Final answer
    x = 40,547.88

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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.