Home / 65,439.48-98,111.53-29,881.60

Finding the Fourth Proportional to 65,439.48, 98,111.53 and 29,881.60

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Solution

The fourth proportional to 65,439.48, 98,111.53 and 29,881.60 is: 44,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,439.48 : 98,111.53 = 29,881.60 : x
  2. Step 2: Convert to fraction form
    65,439.48/98,111.53 = 29,881.60/x
  3. Step 3: Cross multiply
    65,439.48x = 98,111.53 × 29,881.60
  4. Step 4: Simplify right side
    65,439.48x = 2,931,729,494.85
  5. Step 5: Solve for x
    x = 2,931,729,494.85/65,439.48
  6. Step 6: Final answer
    x = 44,800.62

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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.