Home / 50,310.76-75,463.56-18,720.76

Finding the Fourth Proportional to 50,310.76, 75,463.56 and 18,720.76

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Solution

The fourth proportional to 50,310.76, 75,463.56 and 18,720.76 is: 28,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.76 : 75,463.56 = 18,720.76 : x
  2. Step 2: Convert to fraction form
    50,310.76/75,463.56 = 18,720.76/x
  3. Step 3: Cross multiply
    50,310.76x = 75,463.56 × 18,720.76
  4. Step 4: Simplify right side
    50,310.76x = 1,412,735,195.51
  5. Step 5: Solve for x
    x = 1,412,735,195.51/50,310.76
  6. Step 6: Final answer
    x = 28,080.18

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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.