Home / 74,953.12-112,429.68-22,399.52

Finding the Fourth Proportional to 74,953.12, 112,429.68 and 22,399.52

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Solution

The fourth proportional to 74,953.12, 112,429.68 and 22,399.52 is: 33,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,953.12 : 112,429.68 = 22,399.52 : x
  2. Step 2: Convert to fraction form
    74,953.12/112,429.68 = 22,399.52/x
  3. Step 3: Cross multiply
    74,953.12x = 112,429.68 × 22,399.52
  4. Step 4: Simplify right side
    74,953.12x = 2,518,370,865.75
  5. Step 5: Solve for x
    x = 2,518,370,865.75/74,953.12
  6. Step 6: Final answer
    x = 33,599.28

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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.