Home / 40,671.76-61,012.68-14,371.24

Finding the Fourth Proportional to 40,671.76, 61,012.68 and 14,371.24

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Solution

The fourth proportional to 40,671.76, 61,012.68 and 14,371.24 is: 21,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.76 : 61,012.68 = 14,371.24 : x
  2. Step 2: Convert to fraction form
    40,671.76/61,012.68 = 14,371.24/x
  3. Step 3: Cross multiply
    40,671.76x = 61,012.68 × 14,371.24
  4. Step 4: Simplify right side
    40,671.76x = 876,827,867.32
  5. Step 5: Solve for x
    x = 876,827,867.32/40,671.76
  6. Step 6: Final answer
    x = 21,558.64

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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.