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Finding the Fourth Proportional to 60,388.92, 90,542.07 and 30,749.40

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Solution

The fourth proportional to 60,388.92, 90,542.07 and 30,749.40 is: 46,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,388.92 : 90,542.07 = 30,749.40 : x
  2. Step 2: Convert to fraction form
    60,388.92/90,542.07 = 30,749.40/x
  3. Step 3: Cross multiply
    60,388.92x = 90,542.07 × 30,749.40
  4. Step 4: Simplify right side
    60,388.92x = 2,784,114,327.26
  5. Step 5: Solve for x
    x = 2,784,114,327.26/60,388.92
  6. Step 6: Final answer
    x = 46,103.07

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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.