Home / 38,168.84-52,675.80-21,175.76

Finding the Fourth Proportional to 38,168.84, 52,675.80 and 21,175.76

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Solution

The fourth proportional to 38,168.84, 52,675.80 and 21,175.76 is: 29,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.84 : 52,675.80 = 21,175.76 : x
  2. Step 2: Convert to fraction form
    38,168.84/52,675.80 = 21,175.76/x
  3. Step 3: Cross multiply
    38,168.84x = 52,675.80 × 21,175.76
  4. Step 4: Simplify right side
    38,168.84x = 1,115,450,098.61
  5. Step 5: Solve for x
    x = 1,115,450,098.61/38,168.84
  6. Step 6: Final answer
    x = 29,224.10

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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.