Home / 33,070.78-45,628.41-31,408.66

Finding the Fourth Proportional to 33,070.78, 45,628.41 and 31,408.66

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Solution

The fourth proportional to 33,070.78, 45,628.41 and 31,408.66 is: 43,335.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,070.78 : 45,628.41 = 31,408.66 : x
  2. Step 2: Convert to fraction form
    33,070.78/45,628.41 = 31,408.66/x
  3. Step 3: Cross multiply
    33,070.78x = 45,628.41 × 31,408.66
  4. Step 4: Simplify right side
    33,070.78x = 1,433,127,216.03
  5. Step 5: Solve for x
    x = 1,433,127,216.03/33,070.78
  6. Step 6: Final answer
    x = 43,335.15

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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.