Home / 40,080.28-55,358.04-30,052.48

Finding the Fourth Proportional to 40,080.28, 55,358.04 and 30,052.48

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Solution

The fourth proportional to 40,080.28, 55,358.04 and 30,052.48 is: 41,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.28 : 55,358.04 = 30,052.48 : x
  2. Step 2: Convert to fraction form
    40,080.28/55,358.04 = 30,052.48/x
  3. Step 3: Cross multiply
    40,080.28x = 55,358.04 × 30,052.48
  4. Step 4: Simplify right side
    40,080.28x = 1,663,646,389.94
  5. Step 5: Solve for x
    x = 1,663,646,389.94/40,080.28
  6. Step 6: Final answer
    x = 41,507.85

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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.