Home / 30,242.78-45,373.40-15,462.08

Finding the Fourth Proportional to 30,242.78, 45,373.40 and 15,462.08

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Solution

The fourth proportional to 30,242.78, 45,373.40 and 15,462.08 is: 23,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.78 : 45,373.40 = 15,462.08 : x
  2. Step 2: Convert to fraction form
    30,242.78/45,373.40 = 15,462.08/x
  3. Step 3: Cross multiply
    30,242.78x = 45,373.40 × 15,462.08
  4. Step 4: Simplify right side
    30,242.78x = 701,567,006.64
  5. Step 5: Solve for x
    x = 701,567,006.64/30,242.78
  6. Step 6: Final answer
    x = 23,197.83

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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.