Home / 39,536.16-54,559.08-21,631.12

Finding the Fourth Proportional to 39,536.16, 54,559.08 and 21,631.12

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Solution

The fourth proportional to 39,536.16, 54,559.08 and 21,631.12 is: 29,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,536.16 : 54,559.08 = 21,631.12 : x
  2. Step 2: Convert to fraction form
    39,536.16/54,559.08 = 21,631.12/x
  3. Step 3: Cross multiply
    39,536.16x = 54,559.08 × 21,631.12
  4. Step 4: Simplify right side
    39,536.16x = 1,180,174,006.57
  5. Step 5: Solve for x
    x = 1,180,174,006.57/39,536.16
  6. Step 6: Final answer
    x = 29,850.50

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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.