Home / 38,269.22-52,820.08-21,279.42

Finding the Fourth Proportional to 38,269.22, 52,820.08 and 21,279.42

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Solution

The fourth proportional to 38,269.22, 52,820.08 and 21,279.42 is: 29,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.22 : 52,820.08 = 21,279.42 : x
  2. Step 2: Convert to fraction form
    38,269.22/52,820.08 = 21,279.42/x
  3. Step 3: Cross multiply
    38,269.22x = 52,820.08 × 21,279.42
  4. Step 4: Simplify right side
    38,269.22x = 1,123,980,666.75
  5. Step 5: Solve for x
    x = 1,123,980,666.75/38,269.22
  6. Step 6: Final answer
    x = 29,370.36

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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.