Home / 65,716.91-98,603.61-21,357.26

Finding the Fourth Proportional to 65,716.91, 98,603.61 and 21,357.26

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Solution

The fourth proportional to 65,716.91, 98,603.61 and 21,357.26 is: 32,045.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.91 : 98,603.61 = 21,357.26 : x
  2. Step 2: Convert to fraction form
    65,716.91/98,603.61 = 21,357.26/x
  3. Step 3: Cross multiply
    65,716.91x = 98,603.61 × 21,357.26
  4. Step 4: Simplify right side
    65,716.91x = 2,105,902,935.71
  5. Step 5: Solve for x
    x = 2,105,902,935.71/65,716.91
  6. Step 6: Final answer
    x = 32,045.07

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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.