Home / 31,203.40-43,055.66-17,774.92

Finding the Fourth Proportional to 31,203.40, 43,055.66 and 17,774.92

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Solution

The fourth proportional to 31,203.40, 43,055.66 and 17,774.92 is: 24,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.40 : 43,055.66 = 17,774.92 : x
  2. Step 2: Convert to fraction form
    31,203.40/43,055.66 = 17,774.92/x
  3. Step 3: Cross multiply
    31,203.40x = 43,055.66 × 17,774.92
  4. Step 4: Simplify right side
    31,203.40x = 765,310,696.77
  5. Step 5: Solve for x
    x = 765,310,696.77/31,203.40
  6. Step 6: Final answer
    x = 24,526.52

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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.