Home / 30,965.92-42,731.68-17,537.92

Finding the Fourth Proportional to 30,965.92, 42,731.68 and 17,537.92

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Solution

The fourth proportional to 30,965.92, 42,731.68 and 17,537.92 is: 24,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,965.92 : 42,731.68 = 17,537.92 : x
  2. Step 2: Convert to fraction form
    30,965.92/42,731.68 = 17,537.92/x
  3. Step 3: Cross multiply
    30,965.92x = 42,731.68 × 17,537.92
  4. Step 4: Simplify right side
    30,965.92x = 749,424,785.31
  5. Step 5: Solve for x
    x = 749,424,785.31/30,965.92
  6. Step 6: Final answer
    x = 24,201.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.