Home / 38,482.75-57,720.06-18,214.65

Finding the Fourth Proportional to 38,482.75, 57,720.06 and 18,214.65

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Solution

The fourth proportional to 38,482.75, 57,720.06 and 18,214.65 is: 27,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.75 : 57,720.06 = 18,214.65 : x
  2. Step 2: Convert to fraction form
    38,482.75/57,720.06 = 18,214.65/x
  3. Step 3: Cross multiply
    38,482.75x = 57,720.06 × 18,214.65
  4. Step 4: Simplify right side
    38,482.75x = 1,051,350,690.88
  5. Step 5: Solve for x
    x = 1,051,350,690.88/38,482.75
  6. Step 6: Final answer
    x = 27,320.05

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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.