Home / 30,201.30-45,280.06-15,217.64

Finding the Fourth Proportional to 30,201.30, 45,280.06 and 15,217.64

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Solution

The fourth proportional to 30,201.30, 45,280.06 and 15,217.64 is: 22,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.30 : 45,280.06 = 15,217.64 : x
  2. Step 2: Convert to fraction form
    30,201.30/45,280.06 = 15,217.64/x
  3. Step 3: Cross multiply
    30,201.30x = 45,280.06 × 15,217.64
  4. Step 4: Simplify right side
    30,201.30x = 689,055,652.26
  5. Step 5: Solve for x
    x = 689,055,652.26/30,201.30
  6. Step 6: Final answer
    x = 22,815.43

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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.