Home / 38,920.44-53,657.10-27,555.96

Finding the Fourth Proportional to 38,920.44, 53,657.10 and 27,555.96

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Solution

The fourth proportional to 38,920.44, 53,657.10 and 27,555.96 is: 37,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.44 : 53,657.10 = 27,555.96 : x
  2. Step 2: Convert to fraction form
    38,920.44/53,657.10 = 27,555.96/x
  3. Step 3: Cross multiply
    38,920.44x = 53,657.10 × 27,555.96
  4. Step 4: Simplify right side
    38,920.44x = 1,478,572,901.32
  5. Step 5: Solve for x
    x = 1,478,572,901.32/38,920.44
  6. Step 6: Final answer
    x = 37,989.62

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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.