Home / 43,255.86-59,722.60-27,979.43

Finding the Fourth Proportional to 43,255.86, 59,722.60 and 27,979.43

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Solution

The fourth proportional to 43,255.86, 59,722.60 and 27,979.43 is: 38,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.86 : 59,722.60 = 27,979.43 : x
  2. Step 2: Convert to fraction form
    43,255.86/59,722.60 = 27,979.43/x
  3. Step 3: Cross multiply
    43,255.86x = 59,722.60 × 27,979.43
  4. Step 4: Simplify right side
    43,255.86x = 1,671,004,306.12
  5. Step 5: Solve for x
    x = 1,671,004,306.12/43,255.86
  6. Step 6: Final answer
    x = 38,630.70

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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.