Home / 35,705.12-53,568.87-21,489.11

Finding the Fourth Proportional to 35,705.12, 53,568.87 and 21,489.11

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Solution

The fourth proportional to 35,705.12, 53,568.87 and 21,489.11 is: 32,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.12 : 53,568.87 = 21,489.11 : x
  2. Step 2: Convert to fraction form
    35,705.12/53,568.87 = 21,489.11/x
  3. Step 3: Cross multiply
    35,705.12x = 53,568.87 × 21,489.11
  4. Step 4: Simplify right side
    35,705.12x = 1,151,147,340.01
  5. Step 5: Solve for x
    x = 1,151,147,340.01/35,705.12
  6. Step 6: Final answer
    x = 32,240.40

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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.