Home / 31,791.60-47,687.40-16,239.60

Finding the Fourth Proportional to 31,791.60, 47,687.40 and 16,239.60

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Solution

The fourth proportional to 31,791.60, 47,687.40 and 16,239.60 is: 24,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,791.60 : 47,687.40 = 16,239.60 : x
  2. Step 2: Convert to fraction form
    31,791.60/47,687.40 = 16,239.60/x
  3. Step 3: Cross multiply
    31,791.60x = 47,687.40 × 16,239.60
  4. Step 4: Simplify right side
    31,791.60x = 774,424,301.04
  5. Step 5: Solve for x
    x = 774,424,301.04/31,791.60
  6. Step 6: Final answer
    x = 24,359.40

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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.