Home / 39,784.45-59,670.60-11,697.88

Finding the Fourth Proportional to 39,784.45, 59,670.60 and 11,697.88

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Solution

The fourth proportional to 39,784.45, 59,670.60 and 11,697.88 is: 17,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,784.45 : 59,670.60 = 11,697.88 : x
  2. Step 2: Convert to fraction form
    39,784.45/59,670.60 = 11,697.88/x
  3. Step 3: Cross multiply
    39,784.45x = 59,670.60 × 11,697.88
  4. Step 4: Simplify right side
    39,784.45x = 698,019,518.33
  5. Step 5: Solve for x
    x = 698,019,518.33/39,784.45
  6. Step 6: Final answer
    x = 17,545.03

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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.