Home / 75,013.74-112,520.61-22,421.52

Finding the Fourth Proportional to 75,013.74, 112,520.61 and 22,421.52

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Solution

The fourth proportional to 75,013.74, 112,520.61 and 22,421.52 is: 33,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.74 : 112,520.61 = 22,421.52 : x
  2. Step 2: Convert to fraction form
    75,013.74/112,520.61 = 22,421.52/x
  3. Step 3: Cross multiply
    75,013.74x = 112,520.61 × 22,421.52
  4. Step 4: Simplify right side
    75,013.74x = 2,522,883,107.53
  5. Step 5: Solve for x
    x = 2,522,883,107.53/75,013.74
  6. Step 6: Final answer
    x = 33,632.28

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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.