Home / 39,600.18-54,649.50-21,696.27

Finding the Fourth Proportional to 39,600.18, 54,649.50 and 21,696.27

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Solution

The fourth proportional to 39,600.18, 54,649.50 and 21,696.27 is: 29,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,600.18 : 54,649.50 = 21,696.27 : x
  2. Step 2: Convert to fraction form
    39,600.18/54,649.50 = 21,696.27/x
  3. Step 3: Cross multiply
    39,600.18x = 54,649.50 × 21,696.27
  4. Step 4: Simplify right side
    39,600.18x = 1,185,690,307.37
  5. Step 5: Solve for x
    x = 1,185,690,307.37/39,600.18
  6. Step 6: Final answer
    x = 29,941.54

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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.