Home / 38,659.02-58,005.18-20,886.14

Finding the Fourth Proportional to 38,659.02, 58,005.18 and 20,886.14

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Solution

The fourth proportional to 38,659.02, 58,005.18 and 20,886.14 is: 31,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.02 : 58,005.18 = 20,886.14 : x
  2. Step 2: Convert to fraction form
    38,659.02/58,005.18 = 20,886.14/x
  3. Step 3: Cross multiply
    38,659.02x = 58,005.18 × 20,886.14
  4. Step 4: Simplify right side
    38,659.02x = 1,211,504,310.21
  5. Step 5: Solve for x
    x = 1,211,504,310.21/38,659.02
  6. Step 6: Final answer
    x = 31,338.21

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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.