Home / 38,020.30-52,465.88-21,023.56

Finding the Fourth Proportional to 38,020.30, 52,465.88 and 21,023.56

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Solution

The fourth proportional to 38,020.30, 52,465.88 and 21,023.56 is: 29,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.30 : 52,465.88 = 21,023.56 : x
  2. Step 2: Convert to fraction form
    38,020.30/52,465.88 = 21,023.56/x
  3. Step 3: Cross multiply
    38,020.30x = 52,465.88 × 21,023.56
  4. Step 4: Simplify right side
    38,020.30x = 1,103,019,576.13
  5. Step 5: Solve for x
    x = 1,103,019,576.13/38,020.30
  6. Step 6: Final answer
    x = 29,011.33

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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.