Home / 38,279.12-52,819.08-23,169.20

Finding the Fourth Proportional to 38,279.12, 52,819.08 and 23,169.20

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Solution

The fourth proportional to 38,279.12, 52,819.08 and 23,169.20 is: 31,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.12 : 52,819.08 = 23,169.20 : x
  2. Step 2: Convert to fraction form
    38,279.12/52,819.08 = 23,169.20/x
  3. Step 3: Cross multiply
    38,279.12x = 52,819.08 × 23,169.20
  4. Step 4: Simplify right side
    38,279.12x = 1,223,775,828.34
  5. Step 5: Solve for x
    x = 1,223,775,828.34/38,279.12
  6. Step 6: Final answer
    x = 31,969.80

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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.