Home / 35,720.06-53,568.61-12,021.14

Finding the Fourth Proportional to 35,720.06, 53,568.61 and 12,021.14

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Solution

The fourth proportional to 35,720.06, 53,568.61 and 12,021.14 is: 18,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.06 : 53,568.61 = 12,021.14 : x
  2. Step 2: Convert to fraction form
    35,720.06/53,568.61 = 12,021.14/x
  3. Step 3: Cross multiply
    35,720.06x = 53,568.61 × 12,021.14
  4. Step 4: Simplify right side
    35,720.06x = 643,955,864.28
  5. Step 5: Solve for x
    x = 643,955,864.28/35,720.06
  6. Step 6: Final answer
    x = 18,027.85

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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.