Home / 31,423.39-47,127.79-9,230.80

Finding the Fourth Proportional to 31,423.39, 47,127.79 and 9,230.80

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Solution

The fourth proportional to 31,423.39, 47,127.79 and 9,230.80 is: 13,844.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.39 : 47,127.79 = 9,230.80 : x
  2. Step 2: Convert to fraction form
    31,423.39/47,127.79 = 9,230.80/x
  3. Step 3: Cross multiply
    31,423.39x = 47,127.79 × 9,230.80
  4. Step 4: Simplify right side
    31,423.39x = 435,027,203.93
  5. Step 5: Solve for x
    x = 435,027,203.93/31,423.39
  6. Step 6: Final answer
    x = 13,844.06

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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.