Home / 39,142.80-58,689.23-25,800.39

Finding the Fourth Proportional to 39,142.80, 58,689.23 and 25,800.39

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Solution

The fourth proportional to 39,142.80, 58,689.23 and 25,800.39 is: 38,684.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.80 : 58,689.23 = 25,800.39 : x
  2. Step 2: Convert to fraction form
    39,142.80/58,689.23 = 25,800.39/x
  3. Step 3: Cross multiply
    39,142.80x = 58,689.23 × 25,800.39
  4. Step 4: Simplify right side
    39,142.80x = 1,514,204,893.80
  5. Step 5: Solve for x
    x = 1,514,204,893.80/39,142.80
  6. Step 6: Final answer
    x = 38,684.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.