Home / 41,217.83-61,831.65-13,128.02

Finding the Fourth Proportional to 41,217.83, 61,831.65 and 13,128.02

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Solution

The fourth proportional to 41,217.83, 61,831.65 and 13,128.02 is: 19,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.83 : 61,831.65 = 13,128.02 : x
  2. Step 2: Convert to fraction form
    41,217.83/61,831.65 = 13,128.02/x
  3. Step 3: Cross multiply
    41,217.83x = 61,831.65 × 13,128.02
  4. Step 4: Simplify right side
    41,217.83x = 811,727,137.83
  5. Step 5: Solve for x
    x = 811,727,137.83/41,217.83
  6. Step 6: Final answer
    x = 19,693.59

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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.