Home / 30,213.24-45,344.16-15,426.08

Finding the Fourth Proportional to 30,213.24, 45,344.16 and 15,426.08

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Solution

The fourth proportional to 30,213.24, 45,344.16 and 15,426.08 is: 23,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.24 : 45,344.16 = 15,426.08 : x
  2. Step 2: Convert to fraction form
    30,213.24/45,344.16 = 15,426.08/x
  3. Step 3: Cross multiply
    30,213.24x = 45,344.16 × 15,426.08
  4. Step 4: Simplify right side
    30,213.24x = 699,482,639.69
  5. Step 5: Solve for x
    x = 699,482,639.69/30,213.24
  6. Step 6: Final answer
    x = 23,151.53

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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.