Home / 65,365.23-98,064.84-18,621.75

Finding the Fourth Proportional to 65,365.23, 98,064.84 and 18,621.75

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Solution

The fourth proportional to 65,365.23, 98,064.84 and 18,621.75 is: 27,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,365.23 : 98,064.84 = 18,621.75 : x
  2. Step 2: Convert to fraction form
    65,365.23/98,064.84 = 18,621.75/x
  3. Step 3: Cross multiply
    65,365.23x = 98,064.84 × 18,621.75
  4. Step 4: Simplify right side
    65,365.23x = 1,826,138,934.27
  5. Step 5: Solve for x
    x = 1,826,138,934.27/65,365.23
  6. Step 6: Final answer
    x = 27,937.47

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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.