Home / 31,573.31-47,334.81-18,231.17

Finding the Fourth Proportional to 31,573.31, 47,334.81 and 18,231.17

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Solution

The fourth proportional to 31,573.31, 47,334.81 and 18,231.17 is: 27,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,573.31 : 47,334.81 = 18,231.17 : x
  2. Step 2: Convert to fraction form
    31,573.31/47,334.81 = 18,231.17/x
  3. Step 3: Cross multiply
    31,573.31x = 47,334.81 × 18,231.17
  4. Step 4: Simplify right side
    31,573.31x = 862,968,731.35
  5. Step 5: Solve for x
    x = 862,968,731.35/31,573.31
  6. Step 6: Final answer
    x = 27,332.23

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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.