Home / 31,395.17-43,325.80-17,055.28

Finding the Fourth Proportional to 31,395.17, 43,325.80 and 17,055.28

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Solution

The fourth proportional to 31,395.17, 43,325.80 and 17,055.28 is: 23,536.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.17 : 43,325.80 = 17,055.28 : x
  2. Step 2: Convert to fraction form
    31,395.17/43,325.80 = 17,055.28/x
  3. Step 3: Cross multiply
    31,395.17x = 43,325.80 × 17,055.28
  4. Step 4: Simplify right side
    31,395.17x = 738,933,692.86
  5. Step 5: Solve for x
    x = 738,933,692.86/31,395.17
  6. Step 6: Final answer
    x = 23,536.54

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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.