Home / 45,438.66-68,149.77-13,841.16

Finding the Fourth Proportional to 45,438.66, 68,149.77 and 13,841.16

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Solution

The fourth proportional to 45,438.66, 68,149.77 and 13,841.16 is: 20,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,438.66 : 68,149.77 = 13,841.16 : x
  2. Step 2: Convert to fraction form
    45,438.66/68,149.77 = 13,841.16/x
  3. Step 3: Cross multiply
    45,438.66x = 68,149.77 × 13,841.16
  4. Step 4: Simplify right side
    45,438.66x = 943,271,870.53
  5. Step 5: Solve for x
    x = 943,271,870.53/45,438.66
  6. Step 6: Final answer
    x = 20,759.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.