Home / 33,139.12-45,731.41-18,031.39

Finding the Fourth Proportional to 33,139.12, 45,731.41 and 18,031.39

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Solution

The fourth proportional to 33,139.12, 45,731.41 and 18,031.39 is: 24,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.12 : 45,731.41 = 18,031.39 : x
  2. Step 2: Convert to fraction form
    33,139.12/45,731.41 = 18,031.39/x
  3. Step 3: Cross multiply
    33,139.12x = 45,731.41 × 18,031.39
  4. Step 4: Simplify right side
    33,139.12x = 824,600,888.96
  5. Step 5: Solve for x
    x = 824,600,888.96/33,139.12
  6. Step 6: Final answer
    x = 24,883.01

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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.