Home / 39,713.08-59,540.46-18,951.16

Finding the Fourth Proportional to 39,713.08, 59,540.46 and 18,951.16

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Solution

The fourth proportional to 39,713.08, 59,540.46 and 18,951.16 is: 28,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.08 : 59,540.46 = 18,951.16 : x
  2. Step 2: Convert to fraction form
    39,713.08/59,540.46 = 18,951.16/x
  3. Step 3: Cross multiply
    39,713.08x = 59,540.46 × 18,951.16
  4. Step 4: Simplify right side
    39,713.08x = 1,128,360,783.93
  5. Step 5: Solve for x
    x = 1,128,360,783.93/39,713.08
  6. Step 6: Final answer
    x = 28,412.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.