Home / 50,278.71-75,417.15-42,431.64

Finding the Fourth Proportional to 50,278.71, 75,417.15 and 42,431.64

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Solution

The fourth proportional to 50,278.71, 75,417.15 and 42,431.64 is: 63,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.71 : 75,417.15 = 42,431.64 : x
  2. Step 2: Convert to fraction form
    50,278.71/75,417.15 = 42,431.64/x
  3. Step 3: Cross multiply
    50,278.71x = 75,417.15 × 42,431.64
  4. Step 4: Simplify right side
    50,278.71x = 3,200,073,234.93
  5. Step 5: Solve for x
    x = 3,200,073,234.93/50,278.71
  6. Step 6: Final answer
    x = 63,646.68

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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.