Home / 51,628.63-77,471.17-20,039.95

Finding the Fourth Proportional to 51,628.63, 77,471.17 and 20,039.95

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Solution

The fourth proportional to 51,628.63, 77,471.17 and 20,039.95 is: 30,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.63 : 77,471.17 = 20,039.95 : x
  2. Step 2: Convert to fraction form
    51,628.63/77,471.17 = 20,039.95/x
  3. Step 3: Cross multiply
    51,628.63x = 77,471.17 × 20,039.95
  4. Step 4: Simplify right side
    51,628.63x = 1,552,517,885.69
  5. Step 5: Solve for x
    x = 1,552,517,885.69/51,628.63
  6. Step 6: Final answer
    x = 30,070.87

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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.