Home / 53,052.09-79,561.13-49,557.75

Finding the Fourth Proportional to 53,052.09, 79,561.13 and 49,557.75

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Solution

The fourth proportional to 53,052.09, 79,561.13 and 49,557.75 is: 74,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,052.09 : 79,561.13 = 49,557.75 : x
  2. Step 2: Convert to fraction form
    53,052.09/79,561.13 = 49,557.75/x
  3. Step 3: Cross multiply
    53,052.09x = 79,561.13 × 49,557.75
  4. Step 4: Simplify right side
    53,052.09x = 3,942,870,342.47
  5. Step 5: Solve for x
    x = 3,942,870,342.47/53,052.09
  6. Step 6: Final answer
    x = 74,320.74

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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.