Home / 31,320.29-46,917.86-18,833.47

Finding the Fourth Proportional to 31,320.29, 46,917.86 and 18,833.47

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Solution

The fourth proportional to 31,320.29, 46,917.86 and 18,833.47 is: 28,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.29 : 46,917.86 = 18,833.47 : x
  2. Step 2: Convert to fraction form
    31,320.29/46,917.86 = 18,833.47/x
  3. Step 3: Cross multiply
    31,320.29x = 46,917.86 × 18,833.47
  4. Step 4: Simplify right side
    31,320.29x = 883,626,108.77
  5. Step 5: Solve for x
    x = 883,626,108.77/31,320.29
  6. Step 6: Final answer
    x = 28,212.58

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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.