Home / 56,223.18-77,583.42-31,072.68

Finding the Fourth Proportional to 56,223.18, 77,583.42 and 31,072.68

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Solution

The fourth proportional to 56,223.18, 77,583.42 and 31,072.68 is: 42,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,223.18 : 77,583.42 = 31,072.68 : x
  2. Step 2: Convert to fraction form
    56,223.18/77,583.42 = 31,072.68/x
  3. Step 3: Cross multiply
    56,223.18x = 77,583.42 × 31,072.68
  4. Step 4: Simplify right side
    56,223.18x = 2,410,724,782.97
  5. Step 5: Solve for x
    x = 2,410,724,782.97/56,223.18
  6. Step 6: Final answer
    x = 42,877.77

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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.