Home / 52,616.12-78,921.61-19,333.62

Finding the Fourth Proportional to 52,616.12, 78,921.61 and 19,333.62

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Solution

The fourth proportional to 52,616.12, 78,921.61 and 19,333.62 is: 28,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.12 : 78,921.61 = 19,333.62 : x
  2. Step 2: Convert to fraction form
    52,616.12/78,921.61 = 19,333.62/x
  3. Step 3: Cross multiply
    52,616.12x = 78,921.61 × 19,333.62
  4. Step 4: Simplify right side
    52,616.12x = 1,525,840,369.19
  5. Step 5: Solve for x
    x = 1,525,840,369.19/52,616.12
  6. Step 6: Final answer
    x = 28,999.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.