Home / 51,324.68-70,835.10-30,110.78

Finding the Fourth Proportional to 51,324.68, 70,835.10 and 30,110.78

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Solution

The fourth proportional to 51,324.68, 70,835.10 and 30,110.78 is: 41,557.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.68 : 70,835.10 = 30,110.78 : x
  2. Step 2: Convert to fraction form
    51,324.68/70,835.10 = 30,110.78/x
  3. Step 3: Cross multiply
    51,324.68x = 70,835.10 × 30,110.78
  4. Step 4: Simplify right side
    51,324.68x = 2,132,900,112.38
  5. Step 5: Solve for x
    x = 2,132,900,112.38/51,324.68
  6. Step 6: Final answer
    x = 41,557.01

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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.