Home / 39,688.38-54,772.43-26,236.31

Finding the Fourth Proportional to 39,688.38, 54,772.43 and 26,236.31

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Solution

The fourth proportional to 39,688.38, 54,772.43 and 26,236.31 is: 36,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.38 : 54,772.43 = 26,236.31 : x
  2. Step 2: Convert to fraction form
    39,688.38/54,772.43 = 26,236.31/x
  3. Step 3: Cross multiply
    39,688.38x = 54,772.43 × 26,236.31
  4. Step 4: Simplify right side
    39,688.38x = 1,437,026,047.89
  5. Step 5: Solve for x
    x = 1,437,026,047.89/39,688.38
  6. Step 6: Final answer
    x = 36,207.73

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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.