Home / 40,080.81-60,119.09-20,358.93

Finding the Fourth Proportional to 40,080.81, 60,119.09 and 20,358.93

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Solution

The fourth proportional to 40,080.81, 60,119.09 and 20,358.93 is: 30,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.81 : 60,119.09 = 20,358.93 : x
  2. Step 2: Convert to fraction form
    40,080.81/60,119.09 = 20,358.93/x
  3. Step 3: Cross multiply
    40,080.81x = 60,119.09 × 20,358.93
  4. Step 4: Simplify right side
    40,080.81x = 1,223,960,344.97
  5. Step 5: Solve for x
    x = 1,223,960,344.97/40,080.81
  6. Step 6: Final answer
    x = 30,537.32

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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.