Home / 56,671.56-84,908.82-39,768.72

Finding the Fourth Proportional to 56,671.56, 84,908.82 and 39,768.72

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Solution

The fourth proportional to 56,671.56, 84,908.82 and 39,768.72 is: 59,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.56 : 84,908.82 = 39,768.72 : x
  2. Step 2: Convert to fraction form
    56,671.56/84,908.82 = 39,768.72/x
  3. Step 3: Cross multiply
    56,671.56x = 84,908.82 × 39,768.72
  4. Step 4: Simplify right side
    56,671.56x = 3,376,715,088.11
  5. Step 5: Solve for x
    x = 3,376,715,088.11/56,671.56
  6. Step 6: Final answer
    x = 59,583.94

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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.