Home / 43,246.71-64,731.56-31,359.15

Finding the Fourth Proportional to 43,246.71, 64,731.56 and 31,359.15

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Solution

The fourth proportional to 43,246.71, 64,731.56 and 31,359.15 is: 46,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.71 : 64,731.56 = 31,359.15 : x
  2. Step 2: Convert to fraction form
    43,246.71/64,731.56 = 31,359.15/x
  3. Step 3: Cross multiply
    43,246.71x = 64,731.56 × 31,359.15
  4. Step 4: Simplify right side
    43,246.71x = 2,029,926,542.98
  5. Step 5: Solve for x
    x = 2,029,926,542.98/43,246.71
  6. Step 6: Final answer
    x = 46,938.29

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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.