Home / 33,139.15-45,730.64-18,031.87

Finding the Fourth Proportional to 33,139.15, 45,730.64 and 18,031.87

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Solution

The fourth proportional to 33,139.15, 45,730.64 and 18,031.87 is: 24,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.15 : 45,730.64 = 18,031.87 : x
  2. Step 2: Convert to fraction form
    33,139.15/45,730.64 = 18,031.87/x
  3. Step 3: Cross multiply
    33,139.15x = 45,730.64 × 18,031.87
  4. Step 4: Simplify right side
    33,139.15x = 824,608,636.68
  5. Step 5: Solve for x
    x = 824,608,636.68/33,139.15
  6. Step 6: Final answer
    x = 24,883.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.