Home / 55,578.47-83,368.95-20,042.66

Finding the Fourth Proportional to 55,578.47, 83,368.95 and 20,042.66

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Solution

The fourth proportional to 55,578.47, 83,368.95 and 20,042.66 is: 30,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.47 : 83,368.95 = 20,042.66 : x
  2. Step 2: Convert to fraction form
    55,578.47/83,368.95 = 20,042.66/x
  3. Step 3: Cross multiply
    55,578.47x = 83,368.95 × 20,042.66
  4. Step 4: Simplify right side
    55,578.47x = 1,670,935,340.04
  5. Step 5: Solve for x
    x = 1,670,935,340.04/55,578.47
  6. Step 6: Final answer
    x = 30,064.43

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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.