Home / 39,776.71-59,585.16-18,399.47

Finding the Fourth Proportional to 39,776.71, 59,585.16 and 18,399.47

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Solution

The fourth proportional to 39,776.71, 59,585.16 and 18,399.47 is: 27,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,776.71 : 59,585.16 = 18,399.47 : x
  2. Step 2: Convert to fraction form
    39,776.71/59,585.16 = 18,399.47/x
  3. Step 3: Cross multiply
    39,776.71x = 59,585.16 × 18,399.47
  4. Step 4: Simplify right side
    39,776.71x = 1,096,335,089.36
  5. Step 5: Solve for x
    x = 1,096,335,089.36/39,776.71
  6. Step 6: Final answer
    x = 27,562.24

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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.