Home / 31,328.88-47,000.84-10,270.48

Finding the Fourth Proportional to 31,328.88, 47,000.84 and 10,270.48

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Solution

The fourth proportional to 31,328.88, 47,000.84 and 10,270.48 is: 15,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.88 : 47,000.84 = 10,270.48 : x
  2. Step 2: Convert to fraction form
    31,328.88/47,000.84 = 10,270.48/x
  3. Step 3: Cross multiply
    31,328.88x = 47,000.84 × 10,270.48
  4. Step 4: Simplify right side
    31,328.88x = 482,721,187.20
  5. Step 5: Solve for x
    x = 482,721,187.20/31,328.88
  6. Step 6: Final answer
    x = 15,408.19

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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.