Home / 38,009.60-52,452.12-21,242.56

Finding the Fourth Proportional to 38,009.60, 52,452.12 and 21,242.56

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Solution

The fourth proportional to 38,009.60, 52,452.12 and 21,242.56 is: 29,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.60 : 52,452.12 = 21,242.56 : x
  2. Step 2: Convert to fraction form
    38,009.60/52,452.12 = 21,242.56/x
  3. Step 3: Cross multiply
    38,009.60x = 52,452.12 × 21,242.56
  4. Step 4: Simplify right side
    38,009.60x = 1,114,217,306.23
  5. Step 5: Solve for x
    x = 1,114,217,306.23/38,009.60
  6. Step 6: Final answer
    x = 29,314.10

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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.