Home / 51,245.28-77,139.66-36,555.84

Finding the Fourth Proportional to 51,245.28, 77,139.66 and 36,555.84

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Solution

The fourth proportional to 51,245.28, 77,139.66 and 36,555.84 is: 55,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.28 : 77,139.66 = 36,555.84 : x
  2. Step 2: Convert to fraction form
    51,245.28/77,139.66 = 36,555.84/x
  3. Step 3: Cross multiply
    51,245.28x = 77,139.66 × 36,555.84
  4. Step 4: Simplify right side
    51,245.28x = 2,819,905,068.61
  5. Step 5: Solve for x
    x = 2,819,905,068.61/51,245.28
  6. Step 6: Final answer
    x = 55,027.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.