Home / 30,691.10-42,353.96-17,262.25

Finding the Fourth Proportional to 30,691.10, 42,353.96 and 17,262.25

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Solution

The fourth proportional to 30,691.10, 42,353.96 and 17,262.25 is: 23,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,691.10 : 42,353.96 = 17,262.25 : x
  2. Step 2: Convert to fraction form
    30,691.10/42,353.96 = 17,262.25/x
  3. Step 3: Cross multiply
    30,691.10x = 42,353.96 × 17,262.25
  4. Step 4: Simplify right side
    30,691.10x = 731,124,453.81
  5. Step 5: Solve for x
    x = 731,124,453.81/30,691.10
  6. Step 6: Final answer
    x = 23,822.03

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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.