Home / 30,966.30-42,732.23-17,537.72

Finding the Fourth Proportional to 30,966.30, 42,732.23 and 17,537.72

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Solution

The fourth proportional to 30,966.30, 42,732.23 and 17,537.72 is: 24,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.30 : 42,732.23 = 17,537.72 : x
  2. Step 2: Convert to fraction form
    30,966.30/42,732.23 = 17,537.72/x
  3. Step 3: Cross multiply
    30,966.30x = 42,732.23 × 17,537.72
  4. Step 4: Simplify right side
    30,966.30x = 749,425,583.37
  5. Step 5: Solve for x
    x = 749,425,583.37/30,966.30
  6. Step 6: Final answer
    x = 24,201.33

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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.