Home / 56,746.72-85,064.32-21,181.96

Finding the Fourth Proportional to 56,746.72, 85,064.32 and 21,181.96

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Solution

The fourth proportional to 56,746.72, 85,064.32 and 21,181.96 is: 31,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.72 : 85,064.32 = 21,181.96 : x
  2. Step 2: Convert to fraction form
    56,746.72/85,064.32 = 21,181.96/x
  3. Step 3: Cross multiply
    56,746.72x = 85,064.32 × 21,181.96
  4. Step 4: Simplify right side
    56,746.72x = 1,801,829,023.67
  5. Step 5: Solve for x
    x = 1,801,829,023.67/56,746.72
  6. Step 6: Final answer
    x = 31,752.13

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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.