Home / 49,421.35-74,103.60-15,218.25

Finding the Fourth Proportional to 49,421.35, 74,103.60 and 15,218.25

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Solution

The fourth proportional to 49,421.35, 74,103.60 and 15,218.25 is: 22,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.35 : 74,103.60 = 15,218.25 : x
  2. Step 2: Convert to fraction form
    49,421.35/74,103.60 = 15,218.25/x
  3. Step 3: Cross multiply
    49,421.35x = 74,103.60 × 15,218.25
  4. Step 4: Simplify right side
    49,421.35x = 1,127,727,110.70
  5. Step 5: Solve for x
    x = 1,127,727,110.70/49,421.35
  6. Step 6: Final answer
    x = 22,818.62

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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.