Home / 56,747.54-85,118.07-21,690.74

Finding the Fourth Proportional to 56,747.54, 85,118.07 and 21,690.74

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Solution

The fourth proportional to 56,747.54, 85,118.07 and 21,690.74 is: 32,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,747.54 : 85,118.07 = 21,690.74 : x
  2. Step 2: Convert to fraction form
    56,747.54/85,118.07 = 21,690.74/x
  3. Step 3: Cross multiply
    56,747.54x = 85,118.07 × 21,690.74
  4. Step 4: Simplify right side
    56,747.54x = 1,846,273,925.67
  5. Step 5: Solve for x
    x = 1,846,273,925.67/56,747.54
  6. Step 6: Final answer
    x = 32,534.87

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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.