Home / 31,301.52-43,198.16-19,203.36

Finding the Fourth Proportional to 31,301.52, 43,198.16 and 19,203.36

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Solution

The fourth proportional to 31,301.52, 43,198.16 and 19,203.36 is: 26,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.52 : 43,198.16 = 19,203.36 : x
  2. Step 2: Convert to fraction form
    31,301.52/43,198.16 = 19,203.36/x
  3. Step 3: Cross multiply
    31,301.52x = 43,198.16 × 19,203.36
  4. Step 4: Simplify right side
    31,301.52x = 829,549,721.80
  5. Step 5: Solve for x
    x = 829,549,721.80/31,301.52
  6. Step 6: Final answer
    x = 26,501.90

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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.