Home / 55,578.29-83,368.67-20,042.47

Finding the Fourth Proportional to 55,578.29, 83,368.67 and 20,042.47

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Solution

The fourth proportional to 55,578.29, 83,368.67 and 20,042.47 is: 30,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.29 : 83,368.67 = 20,042.47 : x
  2. Step 2: Convert to fraction form
    55,578.29/83,368.67 = 20,042.47/x
  3. Step 3: Cross multiply
    55,578.29x = 83,368.67 × 20,042.47
  4. Step 4: Simplify right side
    55,578.29x = 1,670,914,071.41
  5. Step 5: Solve for x
    x = 1,670,914,071.41/55,578.29
  6. Step 6: Final answer
    x = 30,064.15

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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.