Home / 39,719.12-54,788.32-23,575.79

Finding the Fourth Proportional to 39,719.12, 54,788.32 and 23,575.79

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Solution

The fourth proportional to 39,719.12, 54,788.32 and 23,575.79 is: 32,520.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.12 : 54,788.32 = 23,575.79 : x
  2. Step 2: Convert to fraction form
    39,719.12/54,788.32 = 23,575.79/x
  3. Step 3: Cross multiply
    39,719.12x = 54,788.32 × 23,575.79
  4. Step 4: Simplify right side
    39,719.12x = 1,291,678,004.80
  5. Step 5: Solve for x
    x = 1,291,678,004.80/39,719.12
  6. Step 6: Final answer
    x = 32,520.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.