Home / 31,230.56-43,107.18-17,809.14

Finding the Fourth Proportional to 31,230.56, 43,107.18 and 17,809.14

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Solution

The fourth proportional to 31,230.56, 43,107.18 and 17,809.14 is: 24,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.56 : 43,107.18 = 17,809.14 : x
  2. Step 2: Convert to fraction form
    31,230.56/43,107.18 = 17,809.14/x
  3. Step 3: Cross multiply
    31,230.56x = 43,107.18 × 17,809.14
  4. Step 4: Simplify right side
    31,230.56x = 767,701,803.63
  5. Step 5: Solve for x
    x = 767,701,803.63/31,230.56
  6. Step 6: Final answer
    x = 24,581.75

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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.