Home / 52,179.69-72,011.52-29,518.68

Finding the Fourth Proportional to 52,179.69, 72,011.52 and 29,518.68

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Solution

The fourth proportional to 52,179.69, 72,011.52 and 29,518.68 is: 40,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.69 : 72,011.52 = 29,518.68 : x
  2. Step 2: Convert to fraction form
    52,179.69/72,011.52 = 29,518.68/x
  3. Step 3: Cross multiply
    52,179.69x = 72,011.52 × 29,518.68
  4. Step 4: Simplify right side
    52,179.69x = 2,125,685,015.19
  5. Step 5: Solve for x
    x = 2,125,685,015.19/52,179.69
  6. Step 6: Final answer
    x = 40,737.79

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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.