Home / 56,997.56-85,475.34-19,547.61

Finding the Fourth Proportional to 56,997.56, 85,475.34 and 19,547.61

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Solution

The fourth proportional to 56,997.56, 85,475.34 and 19,547.61 is: 29,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.56 : 85,475.34 = 19,547.61 : x
  2. Step 2: Convert to fraction form
    56,997.56/85,475.34 = 19,547.61/x
  3. Step 3: Cross multiply
    56,997.56x = 85,475.34 × 19,547.61
  4. Step 4: Simplify right side
    56,997.56x = 1,670,838,610.94
  5. Step 5: Solve for x
    x = 1,670,838,610.94/56,997.56
  6. Step 6: Final answer
    x = 29,314.22

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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.