Home / 53,738.09-74,152.67-31,073.66

Finding the Fourth Proportional to 53,738.09, 74,152.67 and 31,073.66

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Solution

The fourth proportional to 53,738.09, 74,152.67 and 31,073.66 is: 42,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.09 : 74,152.67 = 31,073.66 : x
  2. Step 2: Convert to fraction form
    53,738.09/74,152.67 = 31,073.66/x
  3. Step 3: Cross multiply
    53,738.09x = 74,152.67 × 31,073.66
  4. Step 4: Simplify right side
    53,738.09x = 2,304,194,329.54
  5. Step 5: Solve for x
    x = 2,304,194,329.54/53,738.09
  6. Step 6: Final answer
    x = 42,878.24

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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.