Home / 65,980.11-98,962.37-18,598.76

Finding the Fourth Proportional to 65,980.11, 98,962.37 and 18,598.76

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Solution

The fourth proportional to 65,980.11, 98,962.37 and 18,598.76 is: 27,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.11 : 98,962.37 = 18,598.76 : x
  2. Step 2: Convert to fraction form
    65,980.11/98,962.37 = 18,598.76/x
  3. Step 3: Cross multiply
    65,980.11x = 98,962.37 × 18,598.76
  4. Step 4: Simplify right side
    65,980.11x = 1,840,576,780.86
  5. Step 5: Solve for x
    x = 1,840,576,780.86/65,980.11
  6. Step 6: Final answer
    x = 27,895.93

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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.