Home / 55,824.42-77,038.58-30,331.29

Finding the Fourth Proportional to 55,824.42, 77,038.58 and 30,331.29

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Solution

The fourth proportional to 55,824.42, 77,038.58 and 30,331.29 is: 41,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,824.42 : 77,038.58 = 30,331.29 : x
  2. Step 2: Convert to fraction form
    55,824.42/77,038.58 = 30,331.29/x
  3. Step 3: Cross multiply
    55,824.42x = 77,038.58 × 30,331.29
  4. Step 4: Simplify right side
    55,824.42x = 2,336,679,511.17
  5. Step 5: Solve for x
    x = 2,336,679,511.17/55,824.42
  6. Step 6: Final answer
    x = 41,857.66

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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.