Home / 62,808.21-86,675.31-34,515.72

Finding the Fourth Proportional to 62,808.21, 86,675.31 and 34,515.72

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Solution

The fourth proportional to 62,808.21, 86,675.31 and 34,515.72 is: 47,631.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,808.21 : 86,675.31 = 34,515.72 : x
  2. Step 2: Convert to fraction form
    62,808.21/86,675.31 = 34,515.72/x
  3. Step 3: Cross multiply
    62,808.21x = 86,675.31 × 34,515.72
  4. Step 4: Simplify right side
    62,808.21x = 2,991,660,730.87
  5. Step 5: Solve for x
    x = 2,991,660,730.87/62,808.21
  6. Step 6: Final answer
    x = 47,631.68

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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.