Home / 39,511.40-54,519.60-22,513.48

Finding the Fourth Proportional to 39,511.40, 54,519.60 and 22,513.48

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Solution

The fourth proportional to 39,511.40, 54,519.60 and 22,513.48 is: 31,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,511.40 : 54,519.60 = 22,513.48 : x
  2. Step 2: Convert to fraction form
    39,511.40/54,519.60 = 22,513.48/x
  3. Step 3: Cross multiply
    39,511.40x = 54,519.60 × 22,513.48
  4. Step 4: Simplify right side
    39,511.40x = 1,227,425,924.21
  5. Step 5: Solve for x
    x = 1,227,425,924.21/39,511.40
  6. Step 6: Final answer
    x = 31,065.11

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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.