Home / 38,537.68-53,179.08-21,772.24

Finding the Fourth Proportional to 38,537.68, 53,179.08 and 21,772.24

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Solution

The fourth proportional to 38,537.68, 53,179.08 and 21,772.24 is: 30,044.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.68 : 53,179.08 = 21,772.24 : x
  2. Step 2: Convert to fraction form
    38,537.68/53,179.08 = 21,772.24/x
  3. Step 3: Cross multiply
    38,537.68x = 53,179.08 × 21,772.24
  4. Step 4: Simplify right side
    38,537.68x = 1,157,827,692.74
  5. Step 5: Solve for x
    x = 1,157,827,692.74/38,537.68
  6. Step 6: Final answer
    x = 30,044.04

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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.