Home / 38,350.77-57,526.40-13,390.82

Finding the Fourth Proportional to 38,350.77, 57,526.40 and 13,390.82

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Solution

The fourth proportional to 38,350.77, 57,526.40 and 13,390.82 is: 20,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,350.77 : 57,526.40 = 13,390.82 : x
  2. Step 2: Convert to fraction form
    38,350.77/57,526.40 = 13,390.82/x
  3. Step 3: Cross multiply
    38,350.77x = 57,526.40 × 13,390.82
  4. Step 4: Simplify right side
    38,350.77x = 770,325,667.65
  5. Step 5: Solve for x
    x = 770,325,667.65/38,350.77
  6. Step 6: Final answer
    x = 20,086.32

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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.