Home / 35,430.38-53,020.74-22,109.64

Finding the Fourth Proportional to 35,430.38, 53,020.74 and 22,109.64

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Solution

The fourth proportional to 35,430.38, 53,020.74 and 22,109.64 is: 33,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.38 : 53,020.74 = 22,109.64 : x
  2. Step 2: Convert to fraction form
    35,430.38/53,020.74 = 22,109.64/x
  3. Step 3: Cross multiply
    35,430.38x = 53,020.74 × 22,109.64
  4. Step 4: Simplify right side
    35,430.38x = 1,172,269,656.26
  5. Step 5: Solve for x
    x = 1,172,269,656.26/35,430.38
  6. Step 6: Final answer
    x = 33,086.57

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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.