Home / 39,569.95-54,606.42-21,664.81

Finding the Fourth Proportional to 39,569.95, 54,606.42 and 21,664.81

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Solution

The fourth proportional to 39,569.95, 54,606.42 and 21,664.81 is: 29,897.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,569.95 : 54,606.42 = 21,664.81 : x
  2. Step 2: Convert to fraction form
    39,569.95/54,606.42 = 21,664.81/x
  3. Step 3: Cross multiply
    39,569.95x = 54,606.42 × 21,664.81
  4. Step 4: Simplify right side
    39,569.95x = 1,183,037,714.08
  5. Step 5: Solve for x
    x = 1,183,037,714.08/39,569.95
  6. Step 6: Final answer
    x = 29,897.38

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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.