Home / 30,019.68-45,034.80-11,550.24

Finding the Fourth Proportional to 30,019.68, 45,034.80 and 11,550.24

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Solution

The fourth proportional to 30,019.68, 45,034.80 and 11,550.24 is: 17,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.68 : 45,034.80 = 11,550.24 : x
  2. Step 2: Convert to fraction form
    30,019.68/45,034.80 = 11,550.24/x
  3. Step 3: Cross multiply
    30,019.68x = 45,034.80 × 11,550.24
  4. Step 4: Simplify right side
    30,019.68x = 520,162,748.35
  5. Step 5: Solve for x
    x = 520,162,748.35/30,019.68
  6. Step 6: Final answer
    x = 17,327.39

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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.