Home / 51,987.61-71,742.54-28,113.94

Finding the Fourth Proportional to 51,987.61, 71,742.54 and 28,113.94

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Solution

The fourth proportional to 51,987.61, 71,742.54 and 28,113.94 is: 38,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,987.61 : 71,742.54 = 28,113.94 : x
  2. Step 2: Convert to fraction form
    51,987.61/71,742.54 = 28,113.94/x
  3. Step 3: Cross multiply
    51,987.61x = 71,742.54 × 28,113.94
  4. Step 4: Simplify right side
    51,987.61x = 2,016,965,465.01
  5. Step 5: Solve for x
    x = 2,016,965,465.01/51,987.61
  6. Step 6: Final answer
    x = 38,797.04

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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.