Home / 75,422.76-113,134.04-19,262.91

Finding the Fourth Proportional to 75,422.76, 113,134.04 and 19,262.91

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Solution

The fourth proportional to 75,422.76, 113,134.04 and 19,262.91 is: 28,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.76 : 113,134.04 = 19,262.91 : x
  2. Step 2: Convert to fraction form
    75,422.76/113,134.04 = 19,262.91/x
  3. Step 3: Cross multiply
    75,422.76x = 113,134.04 × 19,262.91
  4. Step 4: Simplify right side
    75,422.76x = 2,179,290,830.46
  5. Step 5: Solve for x
    x = 2,179,290,830.46/75,422.76
  6. Step 6: Final answer
    x = 28,894.34

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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.