Home / 31,794.49-43,878.45-18,366.31

Finding the Fourth Proportional to 31,794.49, 43,878.45 and 18,366.31

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Solution

The fourth proportional to 31,794.49, 43,878.45 and 18,366.31 is: 25,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.49 : 43,878.45 = 18,366.31 : x
  2. Step 2: Convert to fraction form
    31,794.49/43,878.45 = 18,366.31/x
  3. Step 3: Cross multiply
    31,794.49x = 43,878.45 × 18,366.31
  4. Step 4: Simplify right side
    31,794.49x = 805,885,215.02
  5. Step 5: Solve for x
    x = 805,885,215.02/31,794.49
  6. Step 6: Final answer
    x = 25,346.69

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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.