Home / 35,419.08-53,091.15-11,720.50

Finding the Fourth Proportional to 35,419.08, 53,091.15 and 11,720.50

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Solution

The fourth proportional to 35,419.08, 53,091.15 and 11,720.50 is: 17,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.08 : 53,091.15 = 11,720.50 : x
  2. Step 2: Convert to fraction form
    35,419.08/53,091.15 = 11,720.50/x
  3. Step 3: Cross multiply
    35,419.08x = 53,091.15 × 11,720.50
  4. Step 4: Simplify right side
    35,419.08x = 622,254,823.58
  5. Step 5: Solve for x
    x = 622,254,823.58/35,419.08
  6. Step 6: Final answer
    x = 17,568.35

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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.