Home / 31,253.66-43,128.38-17,103.77

Finding the Fourth Proportional to 31,253.66, 43,128.38 and 17,103.77

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Solution

The fourth proportional to 31,253.66, 43,128.38 and 17,103.77 is: 23,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.66 : 43,128.38 = 17,103.77 : x
  2. Step 2: Convert to fraction form
    31,253.66/43,128.38 = 17,103.77/x
  3. Step 3: Cross multiply
    31,253.66x = 43,128.38 × 17,103.77
  4. Step 4: Simplify right side
    31,253.66x = 737,657,719.11
  5. Step 5: Solve for x
    x = 737,657,719.11/31,253.66
  6. Step 6: Final answer
    x = 23,602.29

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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.