Home / 54,182.27-74,741.44-31,518.71

Finding the Fourth Proportional to 54,182.27, 74,741.44 and 31,518.71

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Solution

The fourth proportional to 54,182.27, 74,741.44 and 31,518.71 is: 43,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,182.27 : 74,741.44 = 31,518.71 : x
  2. Step 2: Convert to fraction form
    54,182.27/74,741.44 = 31,518.71/x
  3. Step 3: Cross multiply
    54,182.27x = 74,741.44 × 31,518.71
  4. Step 4: Simplify right side
    54,182.27x = 2,355,753,772.34
  5. Step 5: Solve for x
    x = 2,355,753,772.34/54,182.27
  6. Step 6: Final answer
    x = 43,478.31

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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.