Home / 29,140.03-43,719.21-10,419.61

Finding the Fourth Proportional to 29,140.03, 43,719.21 and 10,419.61

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Solution

The fourth proportional to 29,140.03, 43,719.21 and 10,419.61 is: 15,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140.03 : 43,719.21 = 10,419.61 : x
  2. Step 2: Convert to fraction form
    29,140.03/43,719.21 = 10,419.61/x
  3. Step 3: Cross multiply
    29,140.03x = 43,719.21 × 10,419.61
  4. Step 4: Simplify right side
    29,140.03x = 455,537,117.71
  5. Step 5: Solve for x
    x = 455,537,117.71/29,140.03
  6. Step 6: Final answer
    x = 15,632.69

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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.