Home / 31,401.18-47,102.04-9,214.92

Finding the Fourth Proportional to 31,401.18, 47,102.04 and 9,214.92

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Solution

The fourth proportional to 31,401.18, 47,102.04 and 9,214.92 is: 13,822.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.18 : 47,102.04 = 9,214.92 : x
  2. Step 2: Convert to fraction form
    31,401.18/47,102.04 = 9,214.92/x
  3. Step 3: Cross multiply
    31,401.18x = 47,102.04 × 9,214.92
  4. Step 4: Simplify right side
    31,401.18x = 434,041,530.44
  5. Step 5: Solve for x
    x = 434,041,530.44/31,401.18
  6. Step 6: Final answer
    x = 13,822.46

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1.5x scale

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.