Home / 65,437.27-98,155.90-21,064.03

Finding the Fourth Proportional to 65,437.27, 98,155.90 and 21,064.03

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Solution

The fourth proportional to 65,437.27, 98,155.90 and 21,064.03 is: 31,596.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,437.27 : 98,155.90 = 21,064.03 : x
  2. Step 2: Convert to fraction form
    65,437.27/98,155.90 = 21,064.03/x
  3. Step 3: Cross multiply
    65,437.27x = 98,155.90 × 21,064.03
  4. Step 4: Simplify right side
    65,437.27x = 2,067,558,822.28
  5. Step 5: Solve for x
    x = 2,067,558,822.28/65,437.27
  6. Step 6: Final answer
    x = 31,596.04

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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.