Home / 51,452.45-77,178.68-42,996.05

Finding the Fourth Proportional to 51,452.45, 77,178.68 and 42,996.05

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Solution

The fourth proportional to 51,452.45, 77,178.68 and 42,996.05 is: 64,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,452.45 : 77,178.68 = 42,996.05 : x
  2. Step 2: Convert to fraction form
    51,452.45/77,178.68 = 42,996.05/x
  3. Step 3: Cross multiply
    51,452.45x = 77,178.68 × 42,996.05
  4. Step 4: Simplify right side
    51,452.45x = 3,318,378,169.23
  5. Step 5: Solve for x
    x = 3,318,378,169.23/51,452.45
  6. Step 6: Final answer
    x = 64,494.08

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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.