Home / 63,126.24-87,115.12-34,831.36

Finding the Fourth Proportional to 63,126.24, 87,115.12 and 34,831.36

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Solution

The fourth proportional to 63,126.24, 87,115.12 and 34,831.36 is: 48,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.24 : 87,115.12 = 34,831.36 : x
  2. Step 2: Convert to fraction form
    63,126.24/87,115.12 = 34,831.36/x
  3. Step 3: Cross multiply
    63,126.24x = 87,115.12 × 34,831.36
  4. Step 4: Simplify right side
    63,126.24x = 3,034,338,106.16
  5. Step 5: Solve for x
    x = 3,034,338,106.16/63,126.24
  6. Step 6: Final answer
    x = 48,067.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.