Home / 55,910.12-77,138.60-32,032.20

Finding the Fourth Proportional to 55,910.12, 77,138.60 and 32,032.20

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Solution

The fourth proportional to 55,910.12, 77,138.60 and 32,032.20 is: 44,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.12 : 77,138.60 = 32,032.20 : x
  2. Step 2: Convert to fraction form
    55,910.12/77,138.60 = 32,032.20/x
  3. Step 3: Cross multiply
    55,910.12x = 77,138.60 × 32,032.20
  4. Step 4: Simplify right side
    55,910.12x = 2,470,919,062.92
  5. Step 5: Solve for x
    x = 2,470,919,062.92/55,910.12
  6. Step 6: Final answer
    x = 44,194.49

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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.