Home / 50,279.80-75,475.16-42,478.80

Finding the Fourth Proportional to 50,279.80, 75,475.16 and 42,478.80

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Solution

The fourth proportional to 50,279.80, 75,475.16 and 42,478.80 is: 63,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.80 : 75,475.16 = 42,478.80 : x
  2. Step 2: Convert to fraction form
    50,279.80/75,475.16 = 42,478.80/x
  3. Step 3: Cross multiply
    50,279.80x = 75,475.16 × 42,478.80
  4. Step 4: Simplify right side
    50,279.80x = 3,206,094,226.61
  5. Step 5: Solve for x
    x = 3,206,094,226.61/50,279.80
  6. Step 6: Final answer
    x = 63,765.06

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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.