Home / 51,115.53-76,649.04-17,831.55

Finding the Fourth Proportional to 51,115.53, 76,649.04 and 17,831.55

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Solution

The fourth proportional to 51,115.53, 76,649.04 and 17,831.55 is: 26,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,115.53 : 76,649.04 = 17,831.55 : x
  2. Step 2: Convert to fraction form
    51,115.53/76,649.04 = 17,831.55/x
  3. Step 3: Cross multiply
    51,115.53x = 76,649.04 × 17,831.55
  4. Step 4: Simplify right side
    51,115.53x = 1,366,771,189.21
  5. Step 5: Solve for x
    x = 1,366,771,189.21/51,115.53
  6. Step 6: Final answer
    x = 26,738.86

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1.5x scale

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.