Home / 40,506.90-60,731.55-15,537.30

Finding the Fourth Proportional to 40,506.90, 60,731.55 and 15,537.30

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Solution

The fourth proportional to 40,506.90, 60,731.55 and 15,537.30 is: 23,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506.90 : 60,731.55 = 15,537.30 : x
  2. Step 2: Convert to fraction form
    40,506.90/60,731.55 = 15,537.30/x
  3. Step 3: Cross multiply
    40,506.90x = 60,731.55 × 15,537.30
  4. Step 4: Simplify right side
    40,506.90x = 943,604,311.82
  5. Step 5: Solve for x
    x = 943,604,311.82/40,506.90
  6. Step 6: Final answer
    x = 23,294.90

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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.