Home / 48,423.22-72,615.69-18,836.75

Finding the Fourth Proportional to 48,423.22, 72,615.69 and 18,836.75

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Solution

The fourth proportional to 48,423.22, 72,615.69 and 18,836.75 is: 28,247.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,423.22 : 72,615.69 = 18,836.75 : x
  2. Step 2: Convert to fraction form
    48,423.22/72,615.69 = 18,836.75/x
  3. Step 3: Cross multiply
    48,423.22x = 72,615.69 × 18,836.75
  4. Step 4: Simplify right side
    48,423.22x = 1,367,843,780.15
  5. Step 5: Solve for x
    x = 1,367,843,780.15/48,423.22
  6. Step 6: Final answer
    x = 28,247.68

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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.