Home / 42,205.92-63,315.92-18,831.48

Finding the Fourth Proportional to 42,205.92, 63,315.92 and 18,831.48

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Solution

The fourth proportional to 42,205.92, 63,315.92 and 18,831.48 is: 28,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.92 : 63,315.92 = 18,831.48 : x
  2. Step 2: Convert to fraction form
    42,205.92/63,315.92 = 18,831.48/x
  3. Step 3: Cross multiply
    42,205.92x = 63,315.92 × 18,831.48
  4. Step 4: Simplify right side
    42,205.92x = 1,192,332,481.16
  5. Step 5: Solve for x
    x = 1,192,332,481.16/42,205.92
  6. Step 6: Final answer
    x = 28,250.36

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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.