Home / 65,299.86-97,945.69-38,984.78

Finding the Fourth Proportional to 65,299.86, 97,945.69 and 38,984.78

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Solution

The fourth proportional to 65,299.86, 97,945.69 and 38,984.78 is: 58,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,299.86 : 97,945.69 = 38,984.78 : x
  2. Step 2: Convert to fraction form
    65,299.86/97,945.69 = 38,984.78/x
  3. Step 3: Cross multiply
    65,299.86x = 97,945.69 × 38,984.78
  4. Step 4: Simplify right side
    65,299.86x = 3,818,391,176.60
  5. Step 5: Solve for x
    x = 3,818,391,176.60/65,299.86
  6. Step 6: Final answer
    x = 58,474.72

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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.