Home / 65,727.42-98,570.25-21,343.92

Finding the Fourth Proportional to 65,727.42, 98,570.25 and 21,343.92

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Solution

The fourth proportional to 65,727.42, 98,570.25 and 21,343.92 is: 32,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.42 : 98,570.25 = 21,343.92 : x
  2. Step 2: Convert to fraction form
    65,727.42/98,570.25 = 21,343.92/x
  3. Step 3: Cross multiply
    65,727.42x = 98,570.25 × 21,343.92
  4. Step 4: Simplify right side
    65,727.42x = 2,103,875,530.38
  5. Step 5: Solve for x
    x = 2,103,875,530.38/65,727.42
  6. Step 6: Final answer
    x = 32,009.10

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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.