Home / 34,260.24-47,278.26-20,831.88

Finding the Fourth Proportional to 34,260.24, 47,278.26 and 20,831.88

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Solution

The fourth proportional to 34,260.24, 47,278.26 and 20,831.88 is: 28,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.24 : 47,278.26 = 20,831.88 : x
  2. Step 2: Convert to fraction form
    34,260.24/47,278.26 = 20,831.88/x
  3. Step 3: Cross multiply
    34,260.24x = 47,278.26 × 20,831.88
  4. Step 4: Simplify right side
    34,260.24x = 984,895,038.93
  5. Step 5: Solve for x
    x = 984,895,038.93/34,260.24
  6. Step 6: Final answer
    x = 28,747.46

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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.