Home / 30,537.61-42,141.85-17,108.95

Finding the Fourth Proportional to 30,537.61, 42,141.85 and 17,108.95

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Solution

The fourth proportional to 30,537.61, 42,141.85 and 17,108.95 is: 23,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,537.61 : 42,141.85 = 17,108.95 : x
  2. Step 2: Convert to fraction form
    30,537.61/42,141.85 = 17,108.95/x
  3. Step 3: Cross multiply
    30,537.61x = 42,141.85 × 17,108.95
  4. Step 4: Simplify right side
    30,537.61x = 721,002,804.56
  5. Step 5: Solve for x
    x = 721,002,804.56/30,537.61
  6. Step 6: Final answer
    x = 23,610.32

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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.