Home / 39,175.08-54,060.66-22,407

Finding the Fourth Proportional to 39,175.08, 54,060.66 and 22,407

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Solution

The fourth proportional to 39,175.08, 54,060.66 and 22,407 is: 30,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.08 : 54,060.66 = 22,407 : x
  2. Step 2: Convert to fraction form
    39,175.08/54,060.66 = 22,407/x
  3. Step 3: Cross multiply
    39,175.08x = 54,060.66 × 22,407
  4. Step 4: Simplify right side
    39,175.08x = 1,211,337,208.62
  5. Step 5: Solve for x
    x = 1,211,337,208.62/39,175.08
  6. Step 6: Final answer
    x = 30,921.12

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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.