Home / 31,015.09-42,760.88-22,529.53

Finding the Fourth Proportional to 31,015.09, 42,760.88 and 22,529.53

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Solution

The fourth proportional to 31,015.09, 42,760.88 and 22,529.53 is: 31,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.09 : 42,760.88 = 22,529.53 : x
  2. Step 2: Convert to fraction form
    31,015.09/42,760.88 = 22,529.53/x
  3. Step 3: Cross multiply
    31,015.09x = 42,760.88 × 22,529.53
  4. Step 4: Simplify right side
    31,015.09x = 963,382,416.14
  5. Step 5: Solve for x
    x = 963,382,416.14/31,015.09
  6. Step 6: Final answer
    x = 31,061.73

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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.