Home / 53,565.09-73,912.06-29,691.75

Finding the Fourth Proportional to 53,565.09, 73,912.06 and 29,691.75

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Solution

The fourth proportional to 53,565.09, 73,912.06 and 29,691.75 is: 40,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.09 : 73,912.06 = 29,691.75 : x
  2. Step 2: Convert to fraction form
    53,565.09/73,912.06 = 29,691.75/x
  3. Step 3: Cross multiply
    53,565.09x = 73,912.06 × 29,691.75
  4. Step 4: Simplify right side
    53,565.09x = 2,194,578,407.51
  5. Step 5: Solve for x
    x = 2,194,578,407.51/53,565.09
  6. Step 6: Final answer
    x = 40,970.31

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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.