Home / 31,459.56-47,147.84-16,664.52

Finding the Fourth Proportional to 31,459.56, 47,147.84 and 16,664.52

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Solution

The fourth proportional to 31,459.56, 47,147.84 and 16,664.52 is: 24,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.56 : 47,147.84 = 16,664.52 : x
  2. Step 2: Convert to fraction form
    31,459.56/47,147.84 = 16,664.52/x
  3. Step 3: Cross multiply
    31,459.56x = 47,147.84 × 16,664.52
  4. Step 4: Simplify right side
    31,459.56x = 785,696,122.64
  5. Step 5: Solve for x
    x = 785,696,122.64/31,459.56
  6. Step 6: Final answer
    x = 24,974.80

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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.