Home / 51,455.05-77,182.57-33,920.78

Finding the Fourth Proportional to 51,455.05, 77,182.57 and 33,920.78

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Solution

The fourth proportional to 51,455.05, 77,182.57 and 33,920.78 is: 50,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,455.05 : 77,182.57 = 33,920.78 : x
  2. Step 2: Convert to fraction form
    51,455.05/77,182.57 = 33,920.78/x
  3. Step 3: Cross multiply
    51,455.05x = 77,182.57 × 33,920.78
  4. Step 4: Simplify right side
    51,455.05x = 2,618,092,633.29
  5. Step 5: Solve for x
    x = 2,618,092,633.29/51,455.05
  6. Step 6: Final answer
    x = 50,881.16

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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.