Home / 65,712.60-98,558.10-18,330.93

Finding the Fourth Proportional to 65,712.60, 98,558.10 and 18,330.93

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Solution

The fourth proportional to 65,712.60, 98,558.10 and 18,330.93 is: 27,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,712.60 : 98,558.10 = 18,330.93 : x
  2. Step 2: Convert to fraction form
    65,712.60/98,558.10 = 18,330.93/x
  3. Step 3: Cross multiply
    65,712.60x = 98,558.10 × 18,330.93
  4. Step 4: Simplify right side
    65,712.60x = 1,806,661,632.03
  5. Step 5: Solve for x
    x = 1,806,661,632.03/65,712.60
  6. Step 6: Final answer
    x = 27,493.38

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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.