Home / 33,138.12-45,730.03-18,030.39

Finding the Fourth Proportional to 33,138.12, 45,730.03 and 18,030.39

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Solution

The fourth proportional to 33,138.12, 45,730.03 and 18,030.39 is: 24,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.12 : 45,730.03 = 18,030.39 : x
  2. Step 2: Convert to fraction form
    33,138.12/45,730.03 = 18,030.39/x
  3. Step 3: Cross multiply
    33,138.12x = 45,730.03 × 18,030.39
  4. Step 4: Simplify right side
    33,138.12x = 824,530,275.61
  5. Step 5: Solve for x
    x = 824,530,275.61/33,138.12
  6. Step 6: Final answer
    x = 24,881.63

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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.