Home / 53,181.80-79,734.30-29,815.40

Finding the Fourth Proportional to 53,181.80, 79,734.30 and 29,815.40

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Solution

The fourth proportional to 53,181.80, 79,734.30 and 29,815.40 is: 44,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,181.80 : 79,734.30 = 29,815.40 : x
  2. Step 2: Convert to fraction form
    53,181.80/79,734.30 = 29,815.40/x
  3. Step 3: Cross multiply
    53,181.80x = 79,734.30 × 29,815.40
  4. Step 4: Simplify right side
    53,181.80x = 2,377,310,048.22
  5. Step 5: Solve for x
    x = 2,377,310,048.22/53,181.80
  6. Step 6: Final answer
    x = 44,701.57

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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.