Home / 52,712.41-72,743.37-28,839.50

Finding the Fourth Proportional to 52,712.41, 72,743.37 and 28,839.50

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Solution

The fourth proportional to 52,712.41, 72,743.37 and 28,839.50 is: 39,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,712.41 : 72,743.37 = 28,839.50 : x
  2. Step 2: Convert to fraction form
    52,712.41/72,743.37 = 28,839.50/x
  3. Step 3: Cross multiply
    52,712.41x = 72,743.37 × 28,839.50
  4. Step 4: Simplify right side
    52,712.41x = 2,097,882,419.12
  5. Step 5: Solve for x
    x = 2,097,882,419.12/52,712.41
  6. Step 6: Final answer
    x = 39,798.64

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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.