Home / 51,516.84-77,275.26-28,130.52

Finding the Fourth Proportional to 51,516.84, 77,275.26 and 28,130.52

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Solution

The fourth proportional to 51,516.84, 77,275.26 and 28,130.52 is: 42,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.84 : 77,275.26 = 28,130.52 : x
  2. Step 2: Convert to fraction form
    51,516.84/77,275.26 = 28,130.52/x
  3. Step 3: Cross multiply
    51,516.84x = 77,275.26 × 28,130.52
  4. Step 4: Simplify right side
    51,516.84x = 2,173,793,246.94
  5. Step 5: Solve for x
    x = 2,173,793,246.94/51,516.84
  6. Step 6: Final answer
    x = 42,195.78

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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.