Home / 39,438.28-59,122.86-14,831.56

Finding the Fourth Proportional to 39,438.28, 59,122.86 and 14,831.56

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Solution

The fourth proportional to 39,438.28, 59,122.86 and 14,831.56 is: 22,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.28 : 59,122.86 = 14,831.56 : x
  2. Step 2: Convert to fraction form
    39,438.28/59,122.86 = 14,831.56/x
  3. Step 3: Cross multiply
    39,438.28x = 59,122.86 × 14,831.56
  4. Step 4: Simplify right side
    39,438.28x = 876,884,245.46
  5. Step 5: Solve for x
    x = 876,884,245.46/39,438.28
  6. Step 6: Final answer
    x = 22,234.34

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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.