Home / 30,563.67-42,177.45-17,134.89

Finding the Fourth Proportional to 30,563.67, 42,177.45 and 17,134.89

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Solution

The fourth proportional to 30,563.67, 42,177.45 and 17,134.89 is: 23,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,563.67 : 42,177.45 = 17,134.89 : x
  2. Step 2: Convert to fraction form
    30,563.67/42,177.45 = 17,134.89/x
  3. Step 3: Cross multiply
    30,563.67x = 42,177.45 × 17,134.89
  4. Step 4: Simplify right side
    30,563.67x = 722,705,966.23
  5. Step 5: Solve for x
    x = 722,705,966.23/30,563.67
  6. Step 6: Final answer
    x = 23,645.92

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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.