Home / 55,578.18-83,366.37-13,457.97

Finding the Fourth Proportional to 55,578.18, 83,366.37 and 13,457.97

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Solution

The fourth proportional to 55,578.18, 83,366.37 and 13,457.97 is: 20,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.18 : 83,366.37 = 13,457.97 : x
  2. Step 2: Convert to fraction form
    55,578.18/83,366.37 = 13,457.97/x
  3. Step 3: Cross multiply
    55,578.18x = 83,366.37 × 13,457.97
  4. Step 4: Simplify right side
    55,578.18x = 1,121,942,106.47
  5. Step 5: Solve for x
    x = 1,121,942,106.47/55,578.18
  6. Step 6: Final answer
    x = 20,186.74

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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.