Home / 49,831.18-74,765-23,189.88

Finding the Fourth Proportional to 49,831.18, 74,765 and 23,189.88

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Solution

The fourth proportional to 49,831.18, 74,765 and 23,189.88 is: 34,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,831.18 : 74,765 = 23,189.88 : x
  2. Step 2: Convert to fraction form
    49,831.18/74,765 = 23,189.88/x
  3. Step 3: Cross multiply
    49,831.18x = 74,765 × 23,189.88
  4. Step 4: Simplify right side
    49,831.18x = 1,733,791,378.20
  5. Step 5: Solve for x
    x = 1,733,791,378.20/49,831.18
  6. Step 6: Final answer
    x = 34,793.30

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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.