Home / 39,686.40-54,768.94-23,767.80

Finding the Fourth Proportional to 39,686.40, 54,768.94 and 23,767.80

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Solution

The fourth proportional to 39,686.40, 54,768.94 and 23,767.80 is: 32,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,686.40 : 54,768.94 = 23,767.80 : x
  2. Step 2: Convert to fraction form
    39,686.40/54,768.94 = 23,767.80/x
  3. Step 3: Cross multiply
    39,686.40x = 54,768.94 × 23,767.80
  4. Step 4: Simplify right side
    39,686.40x = 1,301,737,212.13
  5. Step 5: Solve for x
    x = 1,301,737,212.13/39,686.40
  6. Step 6: Final answer
    x = 32,800.59

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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.