Home / 41,217.58-61,831.23-13,127.86

Finding the Fourth Proportional to 41,217.58, 61,831.23 and 13,127.86

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Solution

The fourth proportional to 41,217.58, 61,831.23 and 13,127.86 is: 19,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.58 : 61,831.23 = 13,127.86 : x
  2. Step 2: Convert to fraction form
    41,217.58/61,831.23 = 13,127.86/x
  3. Step 3: Cross multiply
    41,217.58x = 61,831.23 × 13,127.86
  4. Step 4: Simplify right side
    41,217.58x = 811,711,731.07
  5. Step 5: Solve for x
    x = 811,711,731.07/41,217.58
  6. Step 6: Final answer
    x = 19,693.34

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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.