Home / 31,599.54-43,602.66-18,171.36

Finding the Fourth Proportional to 31,599.54, 43,602.66 and 18,171.36

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Solution

The fourth proportional to 31,599.54, 43,602.66 and 18,171.36 is: 25,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.54 : 43,602.66 = 18,171.36 : x
  2. Step 2: Convert to fraction form
    31,599.54/43,602.66 = 18,171.36/x
  3. Step 3: Cross multiply
    31,599.54x = 43,602.66 × 18,171.36
  4. Step 4: Simplify right side
    31,599.54x = 792,319,631.82
  5. Step 5: Solve for x
    x = 792,319,631.82/31,599.54
  6. Step 6: Final answer
    x = 25,073.77

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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.