Home / 33,138.65-45,729.95-18,031.37

Finding the Fourth Proportional to 33,138.65, 45,729.95 and 18,031.37

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Solution

The fourth proportional to 33,138.65, 45,729.95 and 18,031.37 is: 24,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.65 : 45,729.95 = 18,031.37 : x
  2. Step 2: Convert to fraction form
    33,138.65/45,729.95 = 18,031.37/x
  3. Step 3: Cross multiply
    33,138.65x = 45,729.95 × 18,031.37
  4. Step 4: Simplify right side
    33,138.65x = 824,573,329.72
  5. Step 5: Solve for x
    x = 824,573,329.72/33,138.65
  6. Step 6: Final answer
    x = 24,882.53

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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.