Home / 56,730.32-85,084.48-21,661.64

Finding the Fourth Proportional to 56,730.32, 85,084.48 and 21,661.64

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Solution

The fourth proportional to 56,730.32, 85,084.48 and 21,661.64 is: 32,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.32 : 85,084.48 = 21,661.64 : x
  2. Step 2: Convert to fraction form
    56,730.32/85,084.48 = 21,661.64/x
  3. Step 3: Cross multiply
    56,730.32x = 85,084.48 × 21,661.64
  4. Step 4: Simplify right side
    56,730.32x = 1,843,069,375.35
  5. Step 5: Solve for x
    x = 1,843,069,375.35/56,730.32
  6. Step 6: Final answer
    x = 32,488.26

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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.