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Finding the Fourth Proportional to 53,465.92, 80,122.20 and 30,043.12

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Solution

The fourth proportional to 53,465.92, 80,122.20 and 30,043.12 is: 45,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,465.92 : 80,122.20 = 30,043.12 : x
  2. Step 2: Convert to fraction form
    53,465.92/80,122.20 = 30,043.12/x
  3. Step 3: Cross multiply
    53,465.92x = 80,122.20 × 30,043.12
  4. Step 4: Simplify right side
    53,465.92x = 2,407,120,869.26
  5. Step 5: Solve for x
    x = 2,407,120,869.26/53,465.92
  6. Step 6: Final answer
    x = 45,021.59

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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.