Home / 30,691.34-42,353.63-17,262.59

Finding the Fourth Proportional to 30,691.34, 42,353.63 and 17,262.59

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Solution

The fourth proportional to 30,691.34, 42,353.63 and 17,262.59 is: 23,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691.34 : 42,353.63 = 17,262.59 : x
  2. Step 2: Convert to fraction form
    30,691.34/42,353.63 = 17,262.59/x
  3. Step 3: Cross multiply
    30,691.34x = 42,353.63 × 17,262.59
  4. Step 4: Simplify right side
    30,691.34x = 731,133,349.70
  5. Step 5: Solve for x
    x = 731,133,349.70/30,691.34
  6. Step 6: Final answer
    x = 23,822.14

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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.