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Finding the Fourth Proportional to 62,434.70, 86,150.22 and 35,578.34

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Solution

The fourth proportional to 62,434.70, 86,150.22 and 35,578.34 is: 49,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,434.70 : 86,150.22 = 35,578.34 : x
  2. Step 2: Convert to fraction form
    62,434.70/86,150.22 = 35,578.34/x
  3. Step 3: Cross multiply
    62,434.70x = 86,150.22 × 35,578.34
  4. Step 4: Simplify right side
    62,434.70x = 3,065,081,818.23
  5. Step 5: Solve for x
    x = 3,065,081,818.23/62,434.70
  6. Step 6: Final answer
    x = 49,092.60

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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.