Home / 56,874.07-85,247.53-21,301.15

Finding the Fourth Proportional to 56,874.07, 85,247.53 and 21,301.15

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Solution

The fourth proportional to 56,874.07, 85,247.53 and 21,301.15 is: 31,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,874.07 : 85,247.53 = 21,301.15 : x
  2. Step 2: Convert to fraction form
    56,874.07/85,247.53 = 21,301.15/x
  3. Step 3: Cross multiply
    56,874.07x = 85,247.53 × 21,301.15
  4. Step 4: Simplify right side
    56,874.07x = 1,815,870,423.66
  5. Step 5: Solve for x
    x = 1,815,870,423.66/56,874.07
  6. Step 6: Final answer
    x = 31,927.91

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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.