Home / 39,566.56-54,602.50-21,661.26

Finding the Fourth Proportional to 39,566.56, 54,602.50 and 21,661.26

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Solution

The fourth proportional to 39,566.56, 54,602.50 and 21,661.26 is: 29,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,566.56 : 54,602.50 = 21,661.26 : x
  2. Step 2: Convert to fraction form
    39,566.56/54,602.50 = 21,661.26/x
  3. Step 3: Cross multiply
    39,566.56x = 54,602.50 × 21,661.26
  4. Step 4: Simplify right side
    39,566.56x = 1,182,758,949.15
  5. Step 5: Solve for x
    x = 1,182,758,949.15/39,566.56
  6. Step 6: Final answer
    x = 29,892.89

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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.