Home / 52,130.57-78,183.86-31,076.55

Finding the Fourth Proportional to 52,130.57, 78,183.86 and 31,076.55

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Solution

The fourth proportional to 52,130.57, 78,183.86 and 31,076.55 is: 46,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.57 : 78,183.86 = 31,076.55 : x
  2. Step 2: Convert to fraction form
    52,130.57/78,183.86 = 31,076.55/x
  3. Step 3: Cross multiply
    52,130.57x = 78,183.86 × 31,076.55
  4. Step 4: Simplify right side
    52,130.57x = 2,429,684,479.10
  5. Step 5: Solve for x
    x = 2,429,684,479.10/52,130.57
  6. Step 6: Final answer
    x = 46,607.68

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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.