Home / 40,266.60-60,438.30-34,429.80

Finding the Fourth Proportional to 40,266.60, 60,438.30 and 34,429.80

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Solution

The fourth proportional to 40,266.60, 60,438.30 and 34,429.80 is: 51,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.60 : 60,438.30 = 34,429.80 : x
  2. Step 2: Convert to fraction form
    40,266.60/60,438.30 = 34,429.80/x
  3. Step 3: Cross multiply
    40,266.60x = 60,438.30 × 34,429.80
  4. Step 4: Simplify right side
    40,266.60x = 2,080,878,581.34
  5. Step 5: Solve for x
    x = 2,080,878,581.34/40,266.60
  6. Step 6: Final answer
    x = 51,677.53

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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.