Home / 40,237.47-55,516.37-31,713.12

Finding the Fourth Proportional to 40,237.47, 55,516.37 and 31,713.12

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Solution

The fourth proportional to 40,237.47, 55,516.37 and 31,713.12 is: 43,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,237.47 : 55,516.37 = 31,713.12 : x
  2. Step 2: Convert to fraction form
    40,237.47/55,516.37 = 31,713.12/x
  3. Step 3: Cross multiply
    40,237.47x = 55,516.37 × 31,713.12
  4. Step 4: Simplify right side
    40,237.47x = 1,760,597,145.21
  5. Step 5: Solve for x
    x = 1,760,597,145.21/40,237.47
  6. Step 6: Final answer
    x = 43,755.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.