Home / 29,988.24-45,010.20-15,207.60

Finding the Fourth Proportional to 29,988.24, 45,010.20 and 15,207.60

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Solution

The fourth proportional to 29,988.24, 45,010.20 and 15,207.60 is: 22,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.24 : 45,010.20 = 15,207.60 : x
  2. Step 2: Convert to fraction form
    29,988.24/45,010.20 = 15,207.60/x
  3. Step 3: Cross multiply
    29,988.24x = 45,010.20 × 15,207.60
  4. Step 4: Simplify right side
    29,988.24x = 684,497,117.52
  5. Step 5: Solve for x
    x = 684,497,117.52/29,988.24
  6. Step 6: Final answer
    x = 22,825.52

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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.