Home / 39,170.62-54,053.96-21,265.24

Finding the Fourth Proportional to 39,170.62, 54,053.96 and 21,265.24

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Solution

The fourth proportional to 39,170.62, 54,053.96 and 21,265.24 is: 29,345.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.62 : 54,053.96 = 21,265.24 : x
  2. Step 2: Convert to fraction form
    39,170.62/54,053.96 = 21,265.24/x
  3. Step 3: Cross multiply
    39,170.62x = 54,053.96 × 21,265.24
  4. Step 4: Simplify right side
    39,170.62x = 1,149,470,432.35
  5. Step 5: Solve for x
    x = 1,149,470,432.35/39,170.62
  6. Step 6: Final answer
    x = 29,345.22

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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.