Home / 39,697.32-59,575.14-19,956

Finding the Fourth Proportional to 39,697.32, 59,575.14 and 19,956

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Solution

The fourth proportional to 39,697.32, 59,575.14 and 19,956 is: 29,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,697.32 : 59,575.14 = 19,956 : x
  2. Step 2: Convert to fraction form
    39,697.32/59,575.14 = 19,956/x
  3. Step 3: Cross multiply
    39,697.32x = 59,575.14 × 19,956
  4. Step 4: Simplify right side
    39,697.32x = 1,188,881,493.84
  5. Step 5: Solve for x
    x = 1,188,881,493.84/39,697.32
  6. Step 6: Final answer
    x = 29,948.66

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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.