Home / 30,209.52-45,327.76-15,410.64

Finding the Fourth Proportional to 30,209.52, 45,327.76 and 15,410.64

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Solution

The fourth proportional to 30,209.52, 45,327.76 and 15,410.64 is: 23,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.52 : 45,327.76 = 15,410.64 : x
  2. Step 2: Convert to fraction form
    30,209.52/45,327.76 = 15,410.64/x
  3. Step 3: Cross multiply
    30,209.52x = 45,327.76 × 15,410.64
  4. Step 4: Simplify right side
    30,209.52x = 698,529,791.37
  5. Step 5: Solve for x
    x = 698,529,791.37/30,209.52
  6. Step 6: Final answer
    x = 23,122.84

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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.