Home / 33,071.47-45,640.91-18,731.13

Finding the Fourth Proportional to 33,071.47, 45,640.91 and 18,731.13

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Solution

The fourth proportional to 33,071.47, 45,640.91 and 18,731.13 is: 25,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,071.47 : 45,640.91 = 18,731.13 : x
  2. Step 2: Convert to fraction form
    33,071.47/45,640.91 = 18,731.13/x
  3. Step 3: Cross multiply
    33,071.47x = 45,640.91 × 18,731.13
  4. Step 4: Simplify right side
    33,071.47x = 854,905,818.53
  5. Step 5: Solve for x
    x = 854,905,818.53/33,071.47
  6. Step 6: Final answer
    x = 25,850.25

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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.