Home / 32,887.38-45,388.74-21,566.40

Finding the Fourth Proportional to 32,887.38, 45,388.74 and 21,566.40

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Solution

The fourth proportional to 32,887.38, 45,388.74 and 21,566.40 is: 29,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.38 : 45,388.74 = 21,566.40 : x
  2. Step 2: Convert to fraction form
    32,887.38/45,388.74 = 21,566.40/x
  3. Step 3: Cross multiply
    32,887.38x = 45,388.74 × 21,566.40
  4. Step 4: Simplify right side
    32,887.38x = 978,871,722.34
  5. Step 5: Solve for x
    x = 978,871,722.34/32,887.38
  6. Step 6: Final answer
    x = 29,764.36

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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.