Home / 31,395.22-43,325.72-17,055.18

Finding the Fourth Proportional to 31,395.22, 43,325.72 and 17,055.18

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Solution

The fourth proportional to 31,395.22, 43,325.72 and 17,055.18 is: 23,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.22 : 43,325.72 = 17,055.18 : x
  2. Step 2: Convert to fraction form
    31,395.22/43,325.72 = 17,055.18/x
  3. Step 3: Cross multiply
    31,395.22x = 43,325.72 × 17,055.18
  4. Step 4: Simplify right side
    31,395.22x = 738,927,953.23
  5. Step 5: Solve for x
    x = 738,927,953.23/31,395.22
  6. Step 6: Final answer
    x = 23,536.32

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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.