Home / 52,145.10-71,960.58-28,272.14

Finding the Fourth Proportional to 52,145.10, 71,960.58 and 28,272.14

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Solution

The fourth proportional to 52,145.10, 71,960.58 and 28,272.14 is: 39,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,145.10 : 71,960.58 = 28,272.14 : x
  2. Step 2: Convert to fraction form
    52,145.10/71,960.58 = 28,272.14/x
  3. Step 3: Cross multiply
    52,145.10x = 71,960.58 × 28,272.14
  4. Step 4: Simplify right side
    52,145.10x = 2,034,479,592.24
  5. Step 5: Solve for x
    x = 2,034,479,592.24/52,145.10
  6. Step 6: Final answer
    x = 39,015.74

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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.