Home / 56,222.44-77,591.84-31,076.80

Finding the Fourth Proportional to 56,222.44, 77,591.84 and 31,076.80

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Solution

The fourth proportional to 56,222.44, 77,591.84 and 31,076.80 is: 42,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,222.44 : 77,591.84 = 31,076.80 : x
  2. Step 2: Convert to fraction form
    56,222.44/77,591.84 = 31,076.80/x
  3. Step 3: Cross multiply
    56,222.44x = 77,591.84 × 31,076.80
  4. Step 4: Simplify right side
    56,222.44x = 2,411,306,093.31
  5. Step 5: Solve for x
    x = 2,411,306,093.31/56,222.44
  6. Step 6: Final answer
    x = 42,888.68

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1.5x scale

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.