Home / 39,611.08-54,660.18-22,840.84

Finding the Fourth Proportional to 39,611.08, 54,660.18 and 22,840.84

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Solution

The fourth proportional to 39,611.08, 54,660.18 and 22,840.84 is: 31,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.08 : 54,660.18 = 22,840.84 : x
  2. Step 2: Convert to fraction form
    39,611.08/54,660.18 = 22,840.84/x
  3. Step 3: Cross multiply
    39,611.08x = 54,660.18 × 22,840.84
  4. Step 4: Simplify right side
    39,611.08x = 1,248,484,425.75
  5. Step 5: Solve for x
    x = 1,248,484,425.75/39,611.08
  6. Step 6: Final answer
    x = 31,518.57

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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.