Home / 45,431.78-68,176.83-22,045.46

Finding the Fourth Proportional to 45,431.78, 68,176.83 and 22,045.46

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Solution

The fourth proportional to 45,431.78, 68,176.83 and 22,045.46 is: 33,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.78 : 68,176.83 = 22,045.46 : x
  2. Step 2: Convert to fraction form
    45,431.78/68,176.83 = 22,045.46/x
  3. Step 3: Cross multiply
    45,431.78x = 68,176.83 × 22,045.46
  4. Step 4: Simplify right side
    45,431.78x = 1,502,989,578.69
  5. Step 5: Solve for x
    x = 1,502,989,578.69/45,431.78
  6. Step 6: Final answer
    x = 33,082.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.