Home / 51,427.20-77,146.20-16,358.70

Finding the Fourth Proportional to 51,427.20, 77,146.20 and 16,358.70

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Solution

The fourth proportional to 51,427.20, 77,146.20 and 16,358.70 is: 24,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,427.20 : 77,146.20 = 16,358.70 : x
  2. Step 2: Convert to fraction form
    51,427.20/77,146.20 = 16,358.70/x
  3. Step 3: Cross multiply
    51,427.20x = 77,146.20 × 16,358.70
  4. Step 4: Simplify right side
    51,427.20x = 1,262,011,541.94
  5. Step 5: Solve for x
    x = 1,262,011,541.94/51,427.20
  6. Step 6: Final answer
    x = 24,539.77

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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.