Home / 31,799.08-43,898.52-19,869.04

Finding the Fourth Proportional to 31,799.08, 43,898.52 and 19,869.04

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Solution

The fourth proportional to 31,799.08, 43,898.52 and 19,869.04 is: 27,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.08 : 43,898.52 = 19,869.04 : x
  2. Step 2: Convert to fraction form
    31,799.08/43,898.52 = 19,869.04/x
  3. Step 3: Cross multiply
    31,799.08x = 43,898.52 × 19,869.04
  4. Step 4: Simplify right side
    31,799.08x = 872,221,449.82
  5. Step 5: Solve for x
    x = 872,221,449.82/31,799.08
  6. Step 6: Final answer
    x = 27,429.14

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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.