Home / 51,330.96-70,836.60-30,110.04

Finding the Fourth Proportional to 51,330.96, 70,836.60 and 30,110.04

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Solution

The fourth proportional to 51,330.96, 70,836.60 and 30,110.04 is: 41,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.96 : 70,836.60 = 30,110.04 : x
  2. Step 2: Convert to fraction form
    51,330.96/70,836.60 = 30,110.04/x
  3. Step 3: Cross multiply
    51,330.96x = 70,836.60 × 30,110.04
  4. Step 4: Simplify right side
    51,330.96x = 2,132,892,859.46
  5. Step 5: Solve for x
    x = 2,132,892,859.46/51,330.96
  6. Step 6: Final answer
    x = 41,551.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.