Home / 29,997.36-44,988.20-8,931.70

Finding the Fourth Proportional to 29,997.36, 44,988.20 and 8,931.70

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Solution

The fourth proportional to 29,997.36, 44,988.20 and 8,931.70 is: 13,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997.36 : 44,988.20 = 8,931.70 : x
  2. Step 2: Convert to fraction form
    29,997.36/44,988.20 = 8,931.70/x
  3. Step 3: Cross multiply
    29,997.36x = 44,988.20 × 8,931.70
  4. Step 4: Simplify right side
    29,997.36x = 401,821,105.94
  5. Step 5: Solve for x
    x = 401,821,105.94/29,997.36
  6. Step 6: Final answer
    x = 13,395.22

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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.