Home / 56,999.30-85,523.54-30,698.78

Finding the Fourth Proportional to 56,999.30, 85,523.54 and 30,698.78

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Solution

The fourth proportional to 56,999.30, 85,523.54 and 30,698.78 is: 46,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,999.30 : 85,523.54 = 30,698.78 : x
  2. Step 2: Convert to fraction form
    56,999.30/85,523.54 = 30,698.78/x
  3. Step 3: Cross multiply
    56,999.30x = 85,523.54 × 30,698.78
  4. Step 4: Simplify right side
    56,999.30x = 2,625,467,758.17
  5. Step 5: Solve for x
    x = 2,625,467,758.17/56,999.30
  6. Step 6: Final answer
    x = 46,061.41

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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.