Home / 41,212.40-61,948.20-40,434.80

Finding the Fourth Proportional to 41,212.40, 61,948.20 and 40,434.80

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Solution

The fourth proportional to 41,212.40, 61,948.20 and 40,434.80 is: 60,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.40 : 61,948.20 = 40,434.80 : x
  2. Step 2: Convert to fraction form
    41,212.40/61,948.20 = 40,434.80/x
  3. Step 3: Cross multiply
    41,212.40x = 61,948.20 × 40,434.80
  4. Step 4: Simplify right side
    41,212.40x = 2,504,863,077.36
  5. Step 5: Solve for x
    x = 2,504,863,077.36/41,212.40
  6. Step 6: Final answer
    x = 60,779.35

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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.