Home / 43,275.24-64,906.38-13,689.24

Finding the Fourth Proportional to 43,275.24, 64,906.38 and 13,689.24

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Solution

The fourth proportional to 43,275.24, 64,906.38 and 13,689.24 is: 20,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.24 : 64,906.38 = 13,689.24 : x
  2. Step 2: Convert to fraction form
    43,275.24/64,906.38 = 13,689.24/x
  3. Step 3: Cross multiply
    43,275.24x = 64,906.38 × 13,689.24
  4. Step 4: Simplify right side
    43,275.24x = 888,519,013.35
  5. Step 5: Solve for x
    x = 888,519,013.35/43,275.24
  6. Step 6: Final answer
    x = 20,531.81

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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.