Home / 51,251.54-70,727.01-28,895.38

Finding the Fourth Proportional to 51,251.54, 70,727.01 and 28,895.38

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Solution

The fourth proportional to 51,251.54, 70,727.01 and 28,895.38 is: 39,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,251.54 : 70,727.01 = 28,895.38 : x
  2. Step 2: Convert to fraction form
    51,251.54/70,727.01 = 28,895.38/x
  3. Step 3: Cross multiply
    51,251.54x = 70,727.01 × 28,895.38
  4. Step 4: Simplify right side
    51,251.54x = 2,043,683,830.21
  5. Step 5: Solve for x
    x = 2,043,683,830.21/51,251.54
  6. Step 6: Final answer
    x = 39,875.56

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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.