Home / 50,831.20-70,147.02-28,475.20

Finding the Fourth Proportional to 50,831.20, 70,147.02 and 28,475.20

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Solution

The fourth proportional to 50,831.20, 70,147.02 and 28,475.20 is: 39,295.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.20 : 70,147.02 = 28,475.20 : x
  2. Step 2: Convert to fraction form
    50,831.20/70,147.02 = 28,475.20/x
  3. Step 3: Cross multiply
    50,831.20x = 70,147.02 × 28,475.20
  4. Step 4: Simplify right side
    50,831.20x = 1,997,450,423.90
  5. Step 5: Solve for x
    x = 1,997,450,423.90/50,831.20
  6. Step 6: Final answer
    x = 39,295.76

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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.