Home / 56,356.58-77,771.13-31,205.54

Finding the Fourth Proportional to 56,356.58, 77,771.13 and 31,205.54

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Solution

The fourth proportional to 56,356.58, 77,771.13 and 31,205.54 is: 43,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.58 : 77,771.13 = 31,205.54 : x
  2. Step 2: Convert to fraction form
    56,356.58/77,771.13 = 31,205.54/x
  3. Step 3: Cross multiply
    56,356.58x = 77,771.13 × 31,205.54
  4. Step 4: Simplify right side
    56,356.58x = 2,426,890,108.06
  5. Step 5: Solve for x
    x = 2,426,890,108.06/56,356.58
  6. Step 6: Final answer
    x = 43,063.12

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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.