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Finding the Fourth Proportional to 62,608.58, 86,399.34 and 34,314.20

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Solution

The fourth proportional to 62,608.58, 86,399.34 and 34,314.20 is: 47,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608.58 : 86,399.34 = 34,314.20 : x
  2. Step 2: Convert to fraction form
    62,608.58/86,399.34 = 34,314.20/x
  3. Step 3: Cross multiply
    62,608.58x = 86,399.34 × 34,314.20
  4. Step 4: Simplify right side
    62,608.58x = 2,964,723,800.63
  5. Step 5: Solve for x
    x = 2,964,723,800.63/62,608.58
  6. Step 6: Final answer
    x = 47,353.32

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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.