Home / 40,806.90-56,325.78-23,815.80

Finding the Fourth Proportional to 40,806.90, 56,325.78 and 23,815.80

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Solution

The fourth proportional to 40,806.90, 56,325.78 and 23,815.80 is: 32,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,806.90 : 56,325.78 = 23,815.80 : x
  2. Step 2: Convert to fraction form
    40,806.90/56,325.78 = 23,815.80/x
  3. Step 3: Cross multiply
    40,806.90x = 56,325.78 × 23,815.80
  4. Step 4: Simplify right side
    40,806.90x = 1,341,443,511.32
  5. Step 5: Solve for x
    x = 1,341,443,511.32/40,806.90
  6. Step 6: Final answer
    x = 32,872.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.