Home / 42,049.26-58,031.91-31,420.44

Finding the Fourth Proportional to 42,049.26, 58,031.91 and 31,420.44

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Solution

The fourth proportional to 42,049.26, 58,031.91 and 31,420.44 is: 43,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,049.26 : 58,031.91 = 31,420.44 : x
  2. Step 2: Convert to fraction form
    42,049.26/58,031.91 = 31,420.44/x
  3. Step 3: Cross multiply
    42,049.26x = 58,031.91 × 31,420.44
  4. Step 4: Simplify right side
    42,049.26x = 1,823,388,146.24
  5. Step 5: Solve for x
    x = 1,823,388,146.24/42,049.26
  6. Step 6: Final answer
    x = 43,363.14

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1.5x scale

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.