Home / 31,470.37-47,199.27-20,192.33

Finding the Fourth Proportional to 31,470.37, 47,199.27 and 20,192.33

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Solution

The fourth proportional to 31,470.37, 47,199.27 and 20,192.33 is: 30,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.37 : 47,199.27 = 20,192.33 : x
  2. Step 2: Convert to fraction form
    31,470.37/47,199.27 = 20,192.33/x
  3. Step 3: Cross multiply
    31,470.37x = 47,199.27 × 20,192.33
  4. Step 4: Simplify right side
    31,470.37x = 953,063,235.60
  5. Step 5: Solve for x
    x = 953,063,235.60/31,470.37
  6. Step 6: Final answer
    x = 30,284.46

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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.