Home / 52,455.16-78,589.45-30,222.61

Finding the Fourth Proportional to 52,455.16, 78,589.45 and 30,222.61

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Solution

The fourth proportional to 52,455.16, 78,589.45 and 30,222.61 is: 45,280.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,455.16 : 78,589.45 = 30,222.61 : x
  2. Step 2: Convert to fraction form
    52,455.16/78,589.45 = 30,222.61/x
  3. Step 3: Cross multiply
    52,455.16x = 78,589.45 × 30,222.61
  4. Step 4: Simplify right side
    52,455.16x = 2,375,178,297.46
  5. Step 5: Solve for x
    x = 2,375,178,297.46/52,455.16
  6. Step 6: Final answer
    x = 45,280.16

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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.