Home / 31,239.52-46,800.43-15,426.04

Finding the Fourth Proportional to 31,239.52, 46,800.43 and 15,426.04

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Solution

The fourth proportional to 31,239.52, 46,800.43 and 15,426.04 is: 23,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,239.52 : 46,800.43 = 15,426.04 : x
  2. Step 2: Convert to fraction form
    31,239.52/46,800.43 = 15,426.04/x
  3. Step 3: Cross multiply
    31,239.52x = 46,800.43 × 15,426.04
  4. Step 4: Simplify right side
    31,239.52x = 721,945,291.25
  5. Step 5: Solve for x
    x = 721,945,291.25/31,239.52
  6. Step 6: Final answer
    x = 23,110.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.