Home / 38,421.60-57,632.31-10,719.60

Finding the Fourth Proportional to 38,421.60, 57,632.31 and 10,719.60

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Solution

The fourth proportional to 38,421.60, 57,632.31 and 10,719.60 is: 16,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.60 : 57,632.31 = 10,719.60 : x
  2. Step 2: Convert to fraction form
    38,421.60/57,632.31 = 10,719.60/x
  3. Step 3: Cross multiply
    38,421.60x = 57,632.31 × 10,719.60
  4. Step 4: Simplify right side
    38,421.60x = 617,795,310.28
  5. Step 5: Solve for x
    x = 617,795,310.28/38,421.60
  6. Step 6: Final answer
    x = 16,079.37

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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.