Home / 53,953.20-74,442.60-32,731.92

Finding the Fourth Proportional to 53,953.20, 74,442.60 and 32,731.92

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Solution

The fourth proportional to 53,953.20, 74,442.60 and 32,731.92 is: 45,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.20 : 74,442.60 = 32,731.92 : x
  2. Step 2: Convert to fraction form
    53,953.20/74,442.60 = 32,731.92/x
  3. Step 3: Cross multiply
    53,953.20x = 74,442.60 × 32,731.92
  4. Step 4: Simplify right side
    53,953.20x = 2,436,649,227.79
  5. Step 5: Solve for x
    x = 2,436,649,227.79/53,953.20
  6. Step 6: Final answer
    x = 45,162.27

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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.