Home / 31,816.80-43,908.38-17,477.81

Finding the Fourth Proportional to 31,816.80, 43,908.38 and 17,477.81

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Solution

The fourth proportional to 31,816.80, 43,908.38 and 17,477.81 is: 24,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.80 : 43,908.38 = 17,477.81 : x
  2. Step 2: Convert to fraction form
    31,816.80/43,908.38 = 17,477.81/x
  3. Step 3: Cross multiply
    31,816.80x = 43,908.38 × 17,477.81
  4. Step 4: Simplify right side
    31,816.80x = 767,422,246.32
  5. Step 5: Solve for x
    x = 767,422,246.32/31,816.80
  6. Step 6: Final answer
    x = 24,120.03

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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.