Home / 31,626.24-47,433.60-12,901.44

Finding the Fourth Proportional to 31,626.24, 47,433.60 and 12,901.44

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Solution

The fourth proportional to 31,626.24, 47,433.60 and 12,901.44 is: 19,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.24 : 47,433.60 = 12,901.44 : x
  2. Step 2: Convert to fraction form
    31,626.24/47,433.60 = 12,901.44/x
  3. Step 3: Cross multiply
    31,626.24x = 47,433.60 × 12,901.44
  4. Step 4: Simplify right side
    31,626.24x = 611,961,744.38
  5. Step 5: Solve for x
    x = 611,961,744.38/31,626.24
  6. Step 6: Final answer
    x = 19,349.81

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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.