Home / 52,175.13-78,265.81-20,154.45

Finding the Fourth Proportional to 52,175.13, 78,265.81 and 20,154.45

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Solution

The fourth proportional to 52,175.13, 78,265.81 and 20,154.45 is: 30,232.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175.13 : 78,265.81 = 20,154.45 : x
  2. Step 2: Convert to fraction form
    52,175.13/78,265.81 = 20,154.45/x
  3. Step 3: Cross multiply
    52,175.13x = 78,265.81 × 20,154.45
  4. Step 4: Simplify right side
    52,175.13x = 1,577,404,119.43
  5. Step 5: Solve for x
    x = 1,577,404,119.43/52,175.13
  6. Step 6: Final answer
    x = 30,232.87

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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.