Home / 31,849.74-43,953.48-18,425.16

Finding the Fourth Proportional to 31,849.74, 43,953.48 and 18,425.16

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Solution

The fourth proportional to 31,849.74, 43,953.48 and 18,425.16 is: 25,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.74 : 43,953.48 = 18,425.16 : x
  2. Step 2: Convert to fraction form
    31,849.74/43,953.48 = 18,425.16/x
  3. Step 3: Cross multiply
    31,849.74x = 43,953.48 × 18,425.16
  4. Step 4: Simplify right side
    31,849.74x = 809,849,901.56
  5. Step 5: Solve for x
    x = 809,849,901.56/31,849.74
  6. Step 6: Final answer
    x = 25,427.21

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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.