Home / 31,585.28-43,563.84-22,513.28

Finding the Fourth Proportional to 31,585.28, 43,563.84 and 22,513.28

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Solution

The fourth proportional to 31,585.28, 43,563.84 and 22,513.28 is: 31,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.28 : 43,563.84 = 22,513.28 : x
  2. Step 2: Convert to fraction form
    31,585.28/43,563.84 = 22,513.28/x
  3. Step 3: Cross multiply
    31,585.28x = 43,563.84 × 22,513.28
  4. Step 4: Simplify right side
    31,585.28x = 980,764,927.80
  5. Step 5: Solve for x
    x = 980,764,927.80/31,585.28
  6. Step 6: Final answer
    x = 31,051.33

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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.