Home / 55,989.43-77,265.41-30,838.93

Finding the Fourth Proportional to 55,989.43, 77,265.41 and 30,838.93

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Solution

The fourth proportional to 55,989.43, 77,265.41 and 30,838.93 is: 42,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.43 : 77,265.41 = 30,838.93 : x
  2. Step 2: Convert to fraction form
    55,989.43/77,265.41 = 30,838.93/x
  3. Step 3: Cross multiply
    55,989.43x = 77,265.41 × 30,838.93
  4. Step 4: Simplify right side
    55,989.43x = 2,382,782,223.05
  5. Step 5: Solve for x
    x = 2,382,782,223.05/55,989.43
  6. Step 6: Final answer
    x = 42,557.72

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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.