Home / 35,654.76-53,482.14-12,279.42

Finding the Fourth Proportional to 35,654.76, 53,482.14 and 12,279.42

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Solution

The fourth proportional to 35,654.76, 53,482.14 and 12,279.42 is: 18,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.76 : 53,482.14 = 12,279.42 : x
  2. Step 2: Convert to fraction form
    35,654.76/53,482.14 = 12,279.42/x
  3. Step 3: Cross multiply
    35,654.76x = 53,482.14 × 12,279.42
  4. Step 4: Simplify right side
    35,654.76x = 656,729,659.56
  5. Step 5: Solve for x
    x = 656,729,659.56/35,654.76
  6. Step 6: Final answer
    x = 18,419.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.