Home / 50,621.20-75,931.80-22,541.20

Finding the Fourth Proportional to 50,621.20, 75,931.80 and 22,541.20

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Solution

The fourth proportional to 50,621.20, 75,931.80 and 22,541.20 is: 33,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.20 : 75,931.80 = 22,541.20 : x
  2. Step 2: Convert to fraction form
    50,621.20/75,931.80 = 22,541.20/x
  3. Step 3: Cross multiply
    50,621.20x = 75,931.80 × 22,541.20
  4. Step 4: Simplify right side
    50,621.20x = 1,711,593,890.16
  5. Step 5: Solve for x
    x = 1,711,593,890.16/50,621.20
  6. Step 6: Final answer
    x = 33,811.80

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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.