Home / 31,559.04-43,538.24-22,133.76

Finding the Fourth Proportional to 31,559.04, 43,538.24 and 22,133.76

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Solution

The fourth proportional to 31,559.04, 43,538.24 and 22,133.76 is: 30,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.04 : 43,538.24 = 22,133.76 : x
  2. Step 2: Convert to fraction form
    31,559.04/43,538.24 = 22,133.76/x
  3. Step 3: Cross multiply
    31,559.04x = 43,538.24 × 22,133.76
  4. Step 4: Simplify right side
    31,559.04x = 963,664,954.98
  5. Step 5: Solve for x
    x = 963,664,954.98/31,559.04
  6. Step 6: Final answer
    x = 30,535.31

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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.