Home / 39,569.84-54,606.37-21,664.83

Finding the Fourth Proportional to 39,569.84, 54,606.37 and 21,664.83

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Solution

The fourth proportional to 39,569.84, 54,606.37 and 21,664.83 is: 29,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.84 : 54,606.37 = 21,664.83 : x
  2. Step 2: Convert to fraction form
    39,569.84/54,606.37 = 21,664.83/x
  3. Step 3: Cross multiply
    39,569.84x = 54,606.37 × 21,664.83
  4. Step 4: Simplify right side
    39,569.84x = 1,183,037,873.58
  5. Step 5: Solve for x
    x = 1,183,037,873.58/39,569.84
  6. Step 6: Final answer
    x = 29,897.47

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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.