Home / 33,138.93-45,731.70-18,031.57

Finding the Fourth Proportional to 33,138.93, 45,731.70 and 18,031.57

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Solution

The fourth proportional to 33,138.93, 45,731.70 and 18,031.57 is: 24,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.93 : 45,731.70 = 18,031.57 : x
  2. Step 2: Convert to fraction form
    33,138.93/45,731.70 = 18,031.57/x
  3. Step 3: Cross multiply
    33,138.93x = 45,731.70 × 18,031.57
  4. Step 4: Simplify right side
    33,138.93x = 824,614,349.77
  5. Step 5: Solve for x
    x = 824,614,349.77/33,138.93
  6. Step 6: Final answer
    x = 24,883.55

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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.