Home / 51,412.05-70,949.12-29,902.91

Finding the Fourth Proportional to 51,412.05, 70,949.12 and 29,902.91

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Solution

The fourth proportional to 51,412.05, 70,949.12 and 29,902.91 is: 41,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.05 : 70,949.12 = 29,902.91 : x
  2. Step 2: Convert to fraction form
    51,412.05/70,949.12 = 29,902.91/x
  3. Step 3: Cross multiply
    51,412.05x = 70,949.12 × 29,902.91
  4. Step 4: Simplify right side
    51,412.05x = 2,121,584,645.68
  5. Step 5: Solve for x
    x = 2,121,584,645.68/51,412.05
  6. Step 6: Final answer
    x = 41,266.29

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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.