Home / 31,707.34-43,756.02-18,278.52

Finding the Fourth Proportional to 31,707.34, 43,756.02 and 18,278.52

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Solution

The fourth proportional to 31,707.34, 43,756.02 and 18,278.52 is: 25,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.34 : 43,756.02 = 18,278.52 : x
  2. Step 2: Convert to fraction form
    31,707.34/43,756.02 = 18,278.52/x
  3. Step 3: Cross multiply
    31,707.34x = 43,756.02 × 18,278.52
  4. Step 4: Simplify right side
    31,707.34x = 799,795,286.69
  5. Step 5: Solve for x
    x = 799,795,286.69/31,707.34
  6. Step 6: Final answer
    x = 25,224.29

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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.