Home / 41,146.94-61,615-28,479.15

Finding the Fourth Proportional to 41,146.94, 61,615 and 28,479.15

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Solution

The fourth proportional to 41,146.94, 61,615 and 28,479.15 is: 42,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,146.94 : 61,615 = 28,479.15 : x
  2. Step 2: Convert to fraction form
    41,146.94/61,615 = 28,479.15/x
  3. Step 3: Cross multiply
    41,146.94x = 61,615 × 28,479.15
  4. Step 4: Simplify right side
    41,146.94x = 1,754,742,827.25
  5. Step 5: Solve for x
    x = 1,754,742,827.25/41,146.94
  6. Step 6: Final answer
    x = 42,645.77

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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.