Home / 56,823.58-85,126.19-31,787.69

Finding the Fourth Proportional to 56,823.58, 85,126.19 and 31,787.69

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Solution

The fourth proportional to 56,823.58, 85,126.19 and 31,787.69 is: 47,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,823.58 : 85,126.19 = 31,787.69 : x
  2. Step 2: Convert to fraction form
    56,823.58/85,126.19 = 31,787.69/x
  3. Step 3: Cross multiply
    56,823.58x = 85,126.19 × 31,787.69
  4. Step 4: Simplify right side
    56,823.58x = 2,705,965,011.67
  5. Step 5: Solve for x
    x = 2,705,965,011.67/56,823.58
  6. Step 6: Final answer
    x = 47,620.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.