Home / 23,201.20-34,801.80-13,335.40

Finding the Fourth Proportional to 23,201.20, 34,801.80 and 13,335.40

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Solution

The fourth proportional to 23,201.20, 34,801.80 and 13,335.40 is: 20,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.20 : 34,801.80 = 13,335.40 : x
  2. Step 2: Convert to fraction form
    23,201.20/34,801.80 = 13,335.40/x
  3. Step 3: Cross multiply
    23,201.20x = 34,801.80 × 13,335.40
  4. Step 4: Simplify right side
    23,201.20x = 464,095,923.72
  5. Step 5: Solve for x
    x = 464,095,923.72/23,201.20
  6. Step 6: Final answer
    x = 20,003.10

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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.