Home / 39,089.60-58,645.20-16,913.60

Finding the Fourth Proportional to 39,089.60, 58,645.20 and 16,913.60

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Solution

The fourth proportional to 39,089.60, 58,645.20 and 16,913.60 is: 25,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.60 : 58,645.20 = 16,913.60 : x
  2. Step 2: Convert to fraction form
    39,089.60/58,645.20 = 16,913.60/x
  3. Step 3: Cross multiply
    39,089.60x = 58,645.20 × 16,913.60
  4. Step 4: Simplify right side
    39,089.60x = 991,901,454.72
  5. Step 5: Solve for x
    x = 991,901,454.72/39,089.60
  6. Step 6: Final answer
    x = 25,375.07

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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.