Home / 44,320.40-61,132.68-28,379.60

Finding the Fourth Proportional to 44,320.40, 61,132.68 and 28,379.60

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Solution

The fourth proportional to 44,320.40, 61,132.68 and 28,379.60 is: 39,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,320.40 : 61,132.68 = 28,379.60 : x
  2. Step 2: Convert to fraction form
    44,320.40/61,132.68 = 28,379.60/x
  3. Step 3: Cross multiply
    44,320.40x = 61,132.68 × 28,379.60
  4. Step 4: Simplify right side
    44,320.40x = 1,734,921,005.33
  5. Step 5: Solve for x
    x = 1,734,921,005.33/44,320.40
  6. Step 6: Final answer
    x = 39,144.98

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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.