Home / 38,173.52-52,679.59-21,178.10

Finding the Fourth Proportional to 38,173.52, 52,679.59 and 21,178.10

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Solution

The fourth proportional to 38,173.52, 52,679.59 and 21,178.10 is: 29,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,173.52 : 52,679.59 = 21,178.10 : x
  2. Step 2: Convert to fraction form
    38,173.52/52,679.59 = 21,178.10/x
  3. Step 3: Cross multiply
    38,173.52x = 52,679.59 × 21,178.10
  4. Step 4: Simplify right side
    38,173.52x = 1,115,653,624.98
  5. Step 5: Solve for x
    x = 1,115,653,624.98/38,173.52
  6. Step 6: Final answer
    x = 29,225.85

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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.