Home / 38,454.12-57,683.07-18,749.52

Finding the Fourth Proportional to 38,454.12, 57,683.07 and 18,749.52

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Solution

The fourth proportional to 38,454.12, 57,683.07 and 18,749.52 is: 28,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.12 : 57,683.07 = 18,749.52 : x
  2. Step 2: Convert to fraction form
    38,454.12/57,683.07 = 18,749.52/x
  3. Step 3: Cross multiply
    38,454.12x = 57,683.07 × 18,749.52
  4. Step 4: Simplify right side
    38,454.12x = 1,081,529,874.63
  5. Step 5: Solve for x
    x = 1,081,529,874.63/38,454.12
  6. Step 6: Final answer
    x = 28,125.20

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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.