Home / 51,519.25-77,250.45-15,970.72

Finding the Fourth Proportional to 51,519.25, 77,250.45 and 15,970.72

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Solution

The fourth proportional to 51,519.25, 77,250.45 and 15,970.72 is: 23,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.25 : 77,250.45 = 15,970.72 : x
  2. Step 2: Convert to fraction form
    51,519.25/77,250.45 = 15,970.72/x
  3. Step 3: Cross multiply
    51,519.25x = 77,250.45 × 15,970.72
  4. Step 4: Simplify right side
    51,519.25x = 1,233,745,306.82
  5. Step 5: Solve for x
    x = 1,233,745,306.82/51,519.25
  6. Step 6: Final answer
    x = 23,947.27

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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.