Home / 52,160.79-78,206.63-18,876.53

Finding the Fourth Proportional to 52,160.79, 78,206.63 and 18,876.53

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Solution

The fourth proportional to 52,160.79, 78,206.63 and 18,876.53 is: 28,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,160.79 : 78,206.63 = 18,876.53 : x
  2. Step 2: Convert to fraction form
    52,160.79/78,206.63 = 18,876.53/x
  3. Step 3: Cross multiply
    52,160.79x = 78,206.63 × 18,876.53
  4. Step 4: Simplify right side
    52,160.79x = 1,476,269,797.39
  5. Step 5: Solve for x
    x = 1,476,269,797.39/52,160.79
  6. Step 6: Final answer
    x = 28,302.29

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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.