Home / 37,432.48-51,657.06-20,665.48

Finding the Fourth Proportional to 37,432.48, 51,657.06 and 20,665.48

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Solution

The fourth proportional to 37,432.48, 51,657.06 and 20,665.48 is: 28,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432.48 : 51,657.06 = 20,665.48 : x
  2. Step 2: Convert to fraction form
    37,432.48/51,657.06 = 20,665.48/x
  3. Step 3: Cross multiply
    37,432.48x = 51,657.06 × 20,665.48
  4. Step 4: Simplify right side
    37,432.48x = 1,067,517,940.29
  5. Step 5: Solve for x
    x = 1,067,517,940.29/37,432.48
  6. Step 6: Final answer
    x = 28,518.49

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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.