Home / 38,057.55-52,506.61-22,128.90

Finding the Fourth Proportional to 38,057.55, 52,506.61 and 22,128.90

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Solution

The fourth proportional to 38,057.55, 52,506.61 and 22,128.90 is: 30,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,057.55 : 52,506.61 = 22,128.90 : x
  2. Step 2: Convert to fraction form
    38,057.55/52,506.61 = 22,128.90/x
  3. Step 3: Cross multiply
    38,057.55x = 52,506.61 × 22,128.90
  4. Step 4: Simplify right side
    38,057.55x = 1,161,913,394.28
  5. Step 5: Solve for x
    x = 1,161,913,394.28/38,057.55
  6. Step 6: Final answer
    x = 30,530.43

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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.