Home / 31,743.36-47,608.20-13,018.68

Finding the Fourth Proportional to 31,743.36, 47,608.20 and 13,018.68

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Solution

The fourth proportional to 31,743.36, 47,608.20 and 13,018.68 is: 19,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.36 : 47,608.20 = 13,018.68 : x
  2. Step 2: Convert to fraction form
    31,743.36/47,608.20 = 13,018.68/x
  3. Step 3: Cross multiply
    31,743.36x = 47,608.20 × 13,018.68
  4. Step 4: Simplify right side
    31,743.36x = 619,795,921.18
  5. Step 5: Solve for x
    x = 619,795,921.18/31,743.36
  6. Step 6: Final answer
    x = 19,525.21

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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.