Home / 30,260.80-45,391.28-9,201.04

Finding the Fourth Proportional to 30,260.80, 45,391.28 and 9,201.04

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Solution

The fourth proportional to 30,260.80, 45,391.28 and 9,201.04 is: 13,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.80 : 45,391.28 = 9,201.04 : x
  2. Step 2: Convert to fraction form
    30,260.80/45,391.28 = 9,201.04/x
  3. Step 3: Cross multiply
    30,260.80x = 45,391.28 × 9,201.04
  4. Step 4: Simplify right side
    30,260.80x = 417,646,982.93
  5. Step 5: Solve for x
    x = 417,646,982.93/30,260.80
  6. Step 6: Final answer
    x = 13,801.58

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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.