Home / 39,725.45-54,830.57-22,739.48

Finding the Fourth Proportional to 39,725.45, 54,830.57 and 22,739.48

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Solution

The fourth proportional to 39,725.45, 54,830.57 and 22,739.48 is: 31,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725.45 : 54,830.57 = 22,739.48 : x
  2. Step 2: Convert to fraction form
    39,725.45/54,830.57 = 22,739.48/x
  3. Step 3: Cross multiply
    39,725.45x = 54,830.57 × 22,739.48
  4. Step 4: Simplify right side
    39,725.45x = 1,246,818,262.05
  5. Step 5: Solve for x
    x = 1,246,818,262.05/39,725.45
  6. Step 6: Final answer
    x = 31,385.89

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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.