Home / 31,469.02-47,195.97-9,276.40

Finding the Fourth Proportional to 31,469.02, 47,195.97 and 9,276.40

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Solution

The fourth proportional to 31,469.02, 47,195.97 and 9,276.40 is: 13,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.02 : 47,195.97 = 9,276.40 : x
  2. Step 2: Convert to fraction form
    31,469.02/47,195.97 = 9,276.40/x
  3. Step 3: Cross multiply
    31,469.02x = 47,195.97 × 9,276.40
  4. Step 4: Simplify right side
    31,469.02x = 437,808,696.11
  5. Step 5: Solve for x
    x = 437,808,696.11/31,469.02
  6. Step 6: Final answer
    x = 13,912.37

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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.