Home / 35,855.13-53,742.10-18,057.50

Finding the Fourth Proportional to 35,855.13, 53,742.10 and 18,057.50

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Solution

The fourth proportional to 35,855.13, 53,742.10 and 18,057.50 is: 27,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,855.13 : 53,742.10 = 18,057.50 : x
  2. Step 2: Convert to fraction form
    35,855.13/53,742.10 = 18,057.50/x
  3. Step 3: Cross multiply
    35,855.13x = 53,742.10 × 18,057.50
  4. Step 4: Simplify right side
    35,855.13x = 970,447,970.75
  5. Step 5: Solve for x
    x = 970,447,970.75/35,855.13
  6. Step 6: Final answer
    x = 27,065.81

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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.