Home / 31,303.38-43,197.66-17,155.92

Finding the Fourth Proportional to 31,303.38, 43,197.66 and 17,155.92

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Solution

The fourth proportional to 31,303.38, 43,197.66 and 17,155.92 is: 23,674.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.38 : 43,197.66 = 17,155.92 : x
  2. Step 2: Convert to fraction form
    31,303.38/43,197.66 = 17,155.92/x
  3. Step 3: Cross multiply
    31,303.38x = 43,197.66 × 17,155.92
  4. Step 4: Simplify right side
    31,303.38x = 741,095,599.15
  5. Step 5: Solve for x
    x = 741,095,599.15/31,303.38
  6. Step 6: Final answer
    x = 23,674.62

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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.