Home / 39,165.29-54,048.14-21,260.29

Finding the Fourth Proportional to 39,165.29, 54,048.14 and 21,260.29

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Solution

The fourth proportional to 39,165.29, 54,048.14 and 21,260.29 is: 29,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.29 : 54,048.14 = 21,260.29 : x
  2. Step 2: Convert to fraction form
    39,165.29/54,048.14 = 21,260.29/x
  3. Step 3: Cross multiply
    39,165.29x = 54,048.14 × 21,260.29
  4. Step 4: Simplify right side
    39,165.29x = 1,149,079,048.39
  5. Step 5: Solve for x
    x = 1,149,079,048.39/39,165.29
  6. Step 6: Final answer
    x = 29,339.22

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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.