Home / 30,207.20-45,216.49-19,097.24

Finding the Fourth Proportional to 30,207.20, 45,216.49 and 19,097.24

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Solution

The fourth proportional to 30,207.20, 45,216.49 and 19,097.24 is: 28,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.20 : 45,216.49 = 19,097.24 : x
  2. Step 2: Convert to fraction form
    30,207.20/45,216.49 = 19,097.24/x
  3. Step 3: Cross multiply
    30,207.20x = 45,216.49 × 19,097.24
  4. Step 4: Simplify right side
    30,207.20x = 863,510,161.49
  5. Step 5: Solve for x
    x = 863,510,161.49/30,207.20
  6. Step 6: Final answer
    x = 28,586.24

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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.