Home / 65,518.74-98,261.10-18,760.68

Finding the Fourth Proportional to 65,518.74, 98,261.10 and 18,760.68

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Solution

The fourth proportional to 65,518.74, 98,261.10 and 18,760.68 is: 28,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,518.74 : 98,261.10 = 18,760.68 : x
  2. Step 2: Convert to fraction form
    65,518.74/98,261.10 = 18,760.68/x
  3. Step 3: Cross multiply
    65,518.74x = 98,261.10 × 18,760.68
  4. Step 4: Simplify right side
    65,518.74x = 1,843,445,053.55
  5. Step 5: Solve for x
    x = 1,843,445,053.55/65,518.74
  6. Step 6: Final answer
    x = 28,136.15

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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.