Home / 40,712.18-61,345.60-33,478.68

Finding the Fourth Proportional to 40,712.18, 61,345.60 and 33,478.68

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Solution

The fourth proportional to 40,712.18, 61,345.60 and 33,478.68 is: 50,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.18 : 61,345.60 = 33,478.68 : x
  2. Step 2: Convert to fraction form
    40,712.18/61,345.60 = 33,478.68/x
  3. Step 3: Cross multiply
    40,712.18x = 61,345.60 × 33,478.68
  4. Step 4: Simplify right side
    40,712.18x = 2,053,769,488.78
  5. Step 5: Solve for x
    x = 2,053,769,488.78/40,712.18
  6. Step 6: Final answer
    x = 50,446.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.