Home / 53,113.62-73,288.17-30,448.44

Finding the Fourth Proportional to 53,113.62, 73,288.17 and 30,448.44

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Solution

The fourth proportional to 53,113.62, 73,288.17 and 30,448.44 is: 42,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.62 : 73,288.17 = 30,448.44 : x
  2. Step 2: Convert to fraction form
    53,113.62/73,288.17 = 30,448.44/x
  3. Step 3: Cross multiply
    53,113.62x = 73,288.17 × 30,448.44
  4. Step 4: Simplify right side
    53,113.62x = 2,231,510,446.95
  5. Step 5: Solve for x
    x = 2,231,510,446.95/53,113.62
  6. Step 6: Final answer
    x = 42,013.90

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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.