Home / 39,307.84-54,249.59-22,317.37

Finding the Fourth Proportional to 39,307.84, 54,249.59 and 22,317.37

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Solution

The fourth proportional to 39,307.84, 54,249.59 and 22,317.37 is: 30,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307.84 : 54,249.59 = 22,317.37 : x
  2. Step 2: Convert to fraction form
    39,307.84/54,249.59 = 22,317.37/x
  3. Step 3: Cross multiply
    39,307.84x = 54,249.59 × 22,317.37
  4. Step 4: Simplify right side
    39,307.84x = 1,210,708,092.55
  5. Step 5: Solve for x
    x = 1,210,708,092.55/39,307.84
  6. Step 6: Final answer
    x = 30,800.68

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Double scale
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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.