Home / 30,330.16-45,493.68-11,608.75

Finding the Fourth Proportional to 30,330.16, 45,493.68 and 11,608.75

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Solution

The fourth proportional to 30,330.16, 45,493.68 and 11,608.75 is: 17,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.16 : 45,493.68 = 11,608.75 : x
  2. Step 2: Convert to fraction form
    30,330.16/45,493.68 = 11,608.75/x
  3. Step 3: Cross multiply
    30,330.16x = 45,493.68 × 11,608.75
  4. Step 4: Simplify right side
    30,330.16x = 528,124,757.70
  5. Step 5: Solve for x
    x = 528,124,757.70/30,330.16
  6. Step 6: Final answer
    x = 17,412.53

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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.