Home / 31,583.17-47,321.23-19,076.92

Finding the Fourth Proportional to 31,583.17, 47,321.23 and 19,076.92

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Solution

The fourth proportional to 31,583.17, 47,321.23 and 19,076.92 is: 28,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.17 : 47,321.23 = 19,076.92 : x
  2. Step 2: Convert to fraction form
    31,583.17/47,321.23 = 19,076.92/x
  3. Step 3: Cross multiply
    31,583.17x = 47,321.23 × 19,076.92
  4. Step 4: Simplify right side
    31,583.17x = 902,743,319.01
  5. Step 5: Solve for x
    x = 902,743,319.01/31,583.17
  6. Step 6: Final answer
    x = 28,583.05

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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.