Home / 39,536.52-54,560.80-21,631.12

Finding the Fourth Proportional to 39,536.52, 54,560.80 and 21,631.12

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Solution

The fourth proportional to 39,536.52, 54,560.80 and 21,631.12 is: 29,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,536.52 : 54,560.80 = 21,631.12 : x
  2. Step 2: Convert to fraction form
    39,536.52/54,560.80 = 21,631.12/x
  3. Step 3: Cross multiply
    39,536.52x = 54,560.80 × 21,631.12
  4. Step 4: Simplify right side
    39,536.52x = 1,180,211,212.10
  5. Step 5: Solve for x
    x = 1,180,211,212.10/39,536.52
  6. Step 6: Final answer
    x = 29,851.17

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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.