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Finding the Fourth Proportional to 62,717.51, 86,550.03 and 34,422.59

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Solution

The fourth proportional to 62,717.51, 86,550.03 and 34,422.59 is: 47,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,717.51 : 86,550.03 = 34,422.59 : x
  2. Step 2: Convert to fraction form
    62,717.51/86,550.03 = 34,422.59/x
  3. Step 3: Cross multiply
    62,717.51x = 86,550.03 × 34,422.59
  4. Step 4: Simplify right side
    62,717.51x = 2,979,275,764.43
  5. Step 5: Solve for x
    x = 2,979,275,764.43/62,717.51
  6. Step 6: Final answer
    x = 47,503.10

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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.