Home / 30,443.32-42,010.76-17,697.56

Finding the Fourth Proportional to 30,443.32, 42,010.76 and 17,697.56

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Solution

The fourth proportional to 30,443.32, 42,010.76 and 17,697.56 is: 24,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443.32 : 42,010.76 = 17,697.56 : x
  2. Step 2: Convert to fraction form
    30,443.32/42,010.76 = 17,697.56/x
  3. Step 3: Cross multiply
    30,443.32x = 42,010.76 × 17,697.56
  4. Step 4: Simplify right side
    30,443.32x = 743,487,945.75
  5. Step 5: Solve for x
    x = 743,487,945.75/30,443.32
  6. Step 6: Final answer
    x = 24,422.04

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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.