Home / 43,580.84-65,398.91-18,621.08

Finding the Fourth Proportional to 43,580.84, 65,398.91 and 18,621.08

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Solution

The fourth proportional to 43,580.84, 65,398.91 and 18,621.08 is: 27,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,580.84 : 65,398.91 = 18,621.08 : x
  2. Step 2: Convert to fraction form
    43,580.84/65,398.91 = 18,621.08/x
  3. Step 3: Cross multiply
    43,580.84x = 65,398.91 × 18,621.08
  4. Step 4: Simplify right side
    43,580.84x = 1,217,797,914.92
  5. Step 5: Solve for x
    x = 1,217,797,914.92/43,580.84
  6. Step 6: Final answer
    x = 27,943.42

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1.5x scale

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.