Home / 38,557.65-57,842.55-12,265.05

Finding the Fourth Proportional to 38,557.65, 57,842.55 and 12,265.05

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Solution

The fourth proportional to 38,557.65, 57,842.55 and 12,265.05 is: 18,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.65 : 57,842.55 = 12,265.05 : x
  2. Step 2: Convert to fraction form
    38,557.65/57,842.55 = 12,265.05/x
  3. Step 3: Cross multiply
    38,557.65x = 57,842.55 × 12,265.05
  4. Step 4: Simplify right side
    38,557.65x = 709,441,767.88
  5. Step 5: Solve for x
    x = 709,441,767.88/38,557.65
  6. Step 6: Final answer
    x = 18,399.51

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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.