Home / 31,642.34-47,466.23-8,268.75

Finding the Fourth Proportional to 31,642.34, 47,466.23 and 8,268.75

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Solution

The fourth proportional to 31,642.34, 47,466.23 and 8,268.75 is: 12,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,642.34 : 47,466.23 = 8,268.75 : x
  2. Step 2: Convert to fraction form
    31,642.34/47,466.23 = 8,268.75/x
  3. Step 3: Cross multiply
    31,642.34x = 47,466.23 × 8,268.75
  4. Step 4: Simplify right side
    31,642.34x = 392,486,347.97
  5. Step 5: Solve for x
    x = 392,486,347.97/31,642.34
  6. Step 6: Final answer
    x = 12,403.84

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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.