Home / 39,778.34-54,865.04-25,237.64

Finding the Fourth Proportional to 39,778.34, 54,865.04 and 25,237.64

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Solution

The fourth proportional to 39,778.34, 54,865.04 and 25,237.64 is: 34,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,778.34 : 54,865.04 = 25,237.64 : x
  2. Step 2: Convert to fraction form
    39,778.34/54,865.04 = 25,237.64/x
  3. Step 3: Cross multiply
    39,778.34x = 54,865.04 × 25,237.64
  4. Step 4: Simplify right side
    39,778.34x = 1,384,664,128.11
  5. Step 5: Solve for x
    x = 1,384,664,128.11/39,778.34
  6. Step 6: Final answer
    x = 34,809.50

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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.