Home / 39,879.20-59,818.80-27,437.60

Finding the Fourth Proportional to 39,879.20, 59,818.80 and 27,437.60

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Solution

The fourth proportional to 39,879.20, 59,818.80 and 27,437.60 is: 41,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.20 : 59,818.80 = 27,437.60 : x
  2. Step 2: Convert to fraction form
    39,879.20/59,818.80 = 27,437.60/x
  3. Step 3: Cross multiply
    39,879.20x = 59,818.80 × 27,437.60
  4. Step 4: Simplify right side
    39,879.20x = 1,641,284,306.88
  5. Step 5: Solve for x
    x = 1,641,284,306.88/39,879.20
  6. Step 6: Final answer
    x = 41,156.40

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1.5x scale

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.