Home / 52,179.92-72,008.28-29,518.40

Finding the Fourth Proportional to 52,179.92, 72,008.28 and 29,518.40

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Solution

The fourth proportional to 52,179.92, 72,008.28 and 29,518.40 is: 40,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.92 : 72,008.28 = 29,518.40 : x
  2. Step 2: Convert to fraction form
    52,179.92/72,008.28 = 29,518.40/x
  3. Step 3: Cross multiply
    52,179.92x = 72,008.28 × 29,518.40
  4. Step 4: Simplify right side
    52,179.92x = 2,125,569,212.35
  5. Step 5: Solve for x
    x = 2,125,569,212.35/52,179.92
  6. Step 6: Final answer
    x = 40,735.39

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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.