Home / 56,888.46-85,269.11-21,315.56

Finding the Fourth Proportional to 56,888.46, 85,269.11 and 21,315.56

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Solution

The fourth proportional to 56,888.46, 85,269.11 and 21,315.56 is: 31,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.46 : 85,269.11 = 21,315.56 : x
  2. Step 2: Convert to fraction form
    56,888.46/85,269.11 = 21,315.56/x
  3. Step 3: Cross multiply
    56,888.46x = 85,269.11 × 21,315.56
  4. Step 4: Simplify right side
    56,888.46x = 1,817,558,297.43
  5. Step 5: Solve for x
    x = 1,817,558,297.43/56,888.46
  6. Step 6: Final answer
    x = 31,949.51

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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.