Home / 39,116.34-53,989.97-22,987.21

Finding the Fourth Proportional to 39,116.34, 53,989.97 and 22,987.21

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Solution

The fourth proportional to 39,116.34, 53,989.97 and 22,987.21 is: 31,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.34 : 53,989.97 = 22,987.21 : x
  2. Step 2: Convert to fraction form
    39,116.34/53,989.97 = 22,987.21/x
  3. Step 3: Cross multiply
    39,116.34x = 53,989.97 × 22,987.21
  4. Step 4: Simplify right side
    39,116.34x = 1,241,078,778.28
  5. Step 5: Solve for x
    x = 1,241,078,778.28/39,116.34
  6. Step 6: Final answer
    x = 31,727.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.