Home / 38,518.47-57,782.97-13,552.65

Finding the Fourth Proportional to 38,518.47, 57,782.97 and 13,552.65

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Solution

The fourth proportional to 38,518.47, 57,782.97 and 13,552.65 is: 20,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.47 : 57,782.97 = 13,552.65 : x
  2. Step 2: Convert to fraction form
    38,518.47/57,782.97 = 13,552.65/x
  3. Step 3: Cross multiply
    38,518.47x = 57,782.97 × 13,552.65
  4. Step 4: Simplify right side
    38,518.47x = 783,112,368.37
  5. Step 5: Solve for x
    x = 783,112,368.37/38,518.47
  6. Step 6: Final answer
    x = 20,330.83

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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.