Home / 30,192.24-45,280.80-13,542.96

Finding the Fourth Proportional to 30,192.24, 45,280.80 and 13,542.96

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Solution

The fourth proportional to 30,192.24, 45,280.80 and 13,542.96 is: 20,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.24 : 45,280.80 = 13,542.96 : x
  2. Step 2: Convert to fraction form
    30,192.24/45,280.80 = 13,542.96/x
  3. Step 3: Cross multiply
    30,192.24x = 45,280.80 × 13,542.96
  4. Step 4: Simplify right side
    30,192.24x = 613,236,063.17
  5. Step 5: Solve for x
    x = 613,236,063.17/30,192.24
  6. Step 6: Final answer
    x = 20,311.05

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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.