Home / 30,418.76-45,634.56-11,443.52

Finding the Fourth Proportional to 30,418.76, 45,634.56 and 11,443.52

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Solution

The fourth proportional to 30,418.76, 45,634.56 and 11,443.52 is: 17,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,418.76 : 45,634.56 = 11,443.52 : x
  2. Step 2: Convert to fraction form
    30,418.76/45,634.56 = 11,443.52/x
  3. Step 3: Cross multiply
    30,418.76x = 45,634.56 × 11,443.52
  4. Step 4: Simplify right side
    30,418.76x = 522,220,000.05
  5. Step 5: Solve for x
    x = 522,220,000.05/30,418.76
  6. Step 6: Final answer
    x = 17,167.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.