Home / 51,154.40-76,645.20-33,615.20

Finding the Fourth Proportional to 51,154.40, 76,645.20 and 33,615.20

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Solution

The fourth proportional to 51,154.40, 76,645.20 and 33,615.20 is: 50,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.40 : 76,645.20 = 33,615.20 : x
  2. Step 2: Convert to fraction form
    51,154.40/76,645.20 = 33,615.20/x
  3. Step 3: Cross multiply
    51,154.40x = 76,645.20 × 33,615.20
  4. Step 4: Simplify right side
    51,154.40x = 2,576,443,727.04
  5. Step 5: Solve for x
    x = 2,576,443,727.04/51,154.40
  6. Step 6: Final answer
    x = 50,366.02

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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.