Home / 31,565.98-43,583.08-19,634.68

Finding the Fourth Proportional to 31,565.98, 43,583.08 and 19,634.68

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Solution

The fourth proportional to 31,565.98, 43,583.08 and 19,634.68 is: 27,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.98 : 43,583.08 = 19,634.68 : x
  2. Step 2: Convert to fraction form
    31,565.98/43,583.08 = 19,634.68/x
  3. Step 3: Cross multiply
    31,565.98x = 43,583.08 × 19,634.68
  4. Step 4: Simplify right side
    31,565.98x = 855,739,829.21
  5. Step 5: Solve for x
    x = 855,739,829.21/31,565.98
  6. Step 6: Final answer
    x = 27,109.56

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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.