Home / 39,287.94-54,218.75-22,292.25

Finding the Fourth Proportional to 39,287.94, 54,218.75 and 22,292.25

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Solution

The fourth proportional to 39,287.94, 54,218.75 and 22,292.25 is: 30,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.94 : 54,218.75 = 22,292.25 : x
  2. Step 2: Convert to fraction form
    39,287.94/54,218.75 = 22,292.25/x
  3. Step 3: Cross multiply
    39,287.94x = 54,218.75 × 22,292.25
  4. Step 4: Simplify right side
    39,287.94x = 1,208,657,818.23
  5. Step 5: Solve for x
    x = 1,208,657,818.23/39,287.94
  6. Step 6: Final answer
    x = 30,764.09

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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.