Home / 31,643.60-43,654.44-19,061.12

Finding the Fourth Proportional to 31,643.60, 43,654.44 and 19,061.12

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Solution

The fourth proportional to 31,643.60, 43,654.44 and 19,061.12 is: 26,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.60 : 43,654.44 = 19,061.12 : x
  2. Step 2: Convert to fraction form
    31,643.60/43,654.44 = 19,061.12/x
  3. Step 3: Cross multiply
    31,643.60x = 43,654.44 × 19,061.12
  4. Step 4: Simplify right side
    31,643.60x = 832,102,519.37
  5. Step 5: Solve for x
    x = 832,102,519.37/31,643.60
  6. Step 6: Final answer
    x = 26,296.08

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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.