Home / 31,395.44-43,325.58-17,055.20

Finding the Fourth Proportional to 31,395.44, 43,325.58 and 17,055.20

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Solution

The fourth proportional to 31,395.44, 43,325.58 and 17,055.20 is: 23,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.44 : 43,325.58 = 17,055.20 : x
  2. Step 2: Convert to fraction form
    31,395.44/43,325.58 = 17,055.20/x
  3. Step 3: Cross multiply
    31,395.44x = 43,325.58 × 17,055.20
  4. Step 4: Simplify right side
    31,395.44x = 738,926,432.02
  5. Step 5: Solve for x
    x = 738,926,432.02/31,395.44
  6. Step 6: Final answer
    x = 23,536.11

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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.