Home / 39,220.63-58,805.99-18,132.48

Finding the Fourth Proportional to 39,220.63, 58,805.99 and 18,132.48

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Solution

The fourth proportional to 39,220.63, 58,805.99 and 18,132.48 is: 27,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.63 : 58,805.99 = 18,132.48 : x
  2. Step 2: Convert to fraction form
    39,220.63/58,805.99 = 18,132.48/x
  3. Step 3: Cross multiply
    39,220.63x = 58,805.99 × 18,132.48
  4. Step 4: Simplify right side
    39,220.63x = 1,066,298,437.56
  5. Step 5: Solve for x
    x = 1,066,298,437.56/39,220.63
  6. Step 6: Final answer
    x = 27,187.18

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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.