Home / 38,801.52-58,203.72-12,506.64

Finding the Fourth Proportional to 38,801.52, 58,203.72 and 12,506.64

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Solution

The fourth proportional to 38,801.52, 58,203.72 and 12,506.64 is: 18,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,801.52 : 58,203.72 = 12,506.64 : x
  2. Step 2: Convert to fraction form
    38,801.52/58,203.72 = 12,506.64/x
  3. Step 3: Cross multiply
    38,801.52x = 58,203.72 × 12,506.64
  4. Step 4: Simplify right side
    38,801.52x = 727,932,972.70
  5. Step 5: Solve for x
    x = 727,932,972.70/38,801.52
  6. Step 6: Final answer
    x = 18,760.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.