Home / 41,212.80-61,819.20-26,438.40

Finding the Fourth Proportional to 41,212.80, 61,819.20 and 26,438.40

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Solution

The fourth proportional to 41,212.80, 61,819.20 and 26,438.40 is: 39,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,212.80 : 61,819.20 = 26,438.40 : x
  2. Step 2: Convert to fraction form
    41,212.80/61,819.20 = 26,438.40/x
  3. Step 3: Cross multiply
    41,212.80x = 61,819.20 × 26,438.40
  4. Step 4: Simplify right side
    41,212.80x = 1,634,400,737.28
  5. Step 5: Solve for x
    x = 1,634,400,737.28/41,212.80
  6. Step 6: Final answer
    x = 39,657.60

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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.