Home / 53,386.61-73,671.46-31,879.97

Finding the Fourth Proportional to 53,386.61, 73,671.46 and 31,879.97

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Solution

The fourth proportional to 53,386.61, 73,671.46 and 31,879.97 is: 43,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,386.61 : 73,671.46 = 31,879.97 : x
  2. Step 2: Convert to fraction form
    53,386.61/73,671.46 = 31,879.97/x
  3. Step 3: Cross multiply
    53,386.61x = 73,671.46 × 31,879.97
  4. Step 4: Simplify right side
    53,386.61x = 2,348,643,934.66
  5. Step 5: Solve for x
    x = 2,348,643,934.66/53,386.61
  6. Step 6: Final answer
    x = 43,993.13

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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.