Home / 67,350.29-101,021.77-20,603.16

Finding the Fourth Proportional to 67,350.29, 101,021.77 and 20,603.16

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Solution

The fourth proportional to 67,350.29, 101,021.77 and 20,603.16 is: 30,903.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,350.29 : 101,021.77 = 20,603.16 : x
  2. Step 2: Convert to fraction form
    67,350.29/101,021.77 = 20,603.16/x
  3. Step 3: Cross multiply
    67,350.29x = 101,021.77 × 20,603.16
  4. Step 4: Simplify right side
    67,350.29x = 2,081,368,095.38
  5. Step 5: Solve for x
    x = 2,081,368,095.38/67,350.29
  6. Step 6: Final answer
    x = 30,903.63

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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.