Home / 53,293.24-79,913.76-31,112.20

Finding the Fourth Proportional to 53,293.24, 79,913.76 and 31,112.20

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Solution

The fourth proportional to 53,293.24, 79,913.76 and 31,112.20 is: 46,653.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.24 : 79,913.76 = 31,112.20 : x
  2. Step 2: Convert to fraction form
    53,293.24/79,913.76 = 31,112.20/x
  3. Step 3: Cross multiply
    53,293.24x = 79,913.76 × 31,112.20
  4. Step 4: Simplify right side
    53,293.24x = 2,486,292,883.87
  5. Step 5: Solve for x
    x = 2,486,292,883.87/53,293.24
  6. Step 6: Final answer
    x = 46,653.06

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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.