Home / 54,280.98-74,913.27-31,311.66

Finding the Fourth Proportional to 54,280.98, 74,913.27 and 31,311.66

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Solution

The fourth proportional to 54,280.98, 74,913.27 and 31,311.66 is: 43,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,280.98 : 74,913.27 = 31,311.66 : x
  2. Step 2: Convert to fraction form
    54,280.98/74,913.27 = 31,311.66/x
  3. Step 3: Cross multiply
    54,280.98x = 74,913.27 × 31,311.66
  4. Step 4: Simplify right side
    54,280.98x = 2,345,658,839.73
  5. Step 5: Solve for x
    x = 2,345,658,839.73/54,280.98
  6. Step 6: Final answer
    x = 43,213.27

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1.5x scale

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.