Home / 39,167.36-54,050.98-21,262.36

Finding the Fourth Proportional to 39,167.36, 54,050.98 and 21,262.36

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Solution

The fourth proportional to 39,167.36, 54,050.98 and 21,262.36 is: 29,342.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.36 : 54,050.98 = 21,262.36 : x
  2. Step 2: Convert to fraction form
    39,167.36/54,050.98 = 21,262.36/x
  3. Step 3: Cross multiply
    39,167.36x = 54,050.98 × 21,262.36
  4. Step 4: Simplify right side
    39,167.36x = 1,149,251,395.11
  5. Step 5: Solve for x
    x = 1,149,251,395.11/39,167.36
  6. Step 6: Final answer
    x = 29,342.07

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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.