Home / 31,303.16-43,198.36-17,155.96

Finding the Fourth Proportional to 31,303.16, 43,198.36 and 17,155.96

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Solution

The fourth proportional to 31,303.16, 43,198.36 and 17,155.96 is: 23,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.16 : 43,198.36 = 17,155.96 : x
  2. Step 2: Convert to fraction form
    31,303.16/43,198.36 = 17,155.96/x
  3. Step 3: Cross multiply
    31,303.16x = 43,198.36 × 17,155.96
  4. Step 4: Simplify right side
    31,303.16x = 741,109,336.23
  5. Step 5: Solve for x
    x = 741,109,336.23/31,303.16
  6. Step 6: Final answer
    x = 23,675.22

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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.