Home / 52,163.70-78,225.90-18,875.53

Finding the Fourth Proportional to 52,163.70, 78,225.90 and 18,875.53

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Solution

The fourth proportional to 52,163.70, 78,225.90 and 18,875.53 is: 28,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163.70 : 78,225.90 = 18,875.53 : x
  2. Step 2: Convert to fraction form
    52,163.70/78,225.90 = 18,875.53/x
  3. Step 3: Cross multiply
    52,163.70x = 78,225.90 × 18,875.53
  4. Step 4: Simplify right side
    52,163.70x = 1,476,555,322.23
  5. Step 5: Solve for x
    x = 1,476,555,322.23/52,163.70
  6. Step 6: Final answer
    x = 28,306.18

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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.