Home / 52,616.03-78,872.08-21,007.05

Finding the Fourth Proportional to 52,616.03, 78,872.08 and 21,007.05

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Solution

The fourth proportional to 52,616.03, 78,872.08 and 21,007.05 is: 31,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.03 : 78,872.08 = 21,007.05 : x
  2. Step 2: Convert to fraction form
    52,616.03/78,872.08 = 21,007.05/x
  3. Step 3: Cross multiply
    52,616.03x = 78,872.08 × 21,007.05
  4. Step 4: Simplify right side
    52,616.03x = 1,656,869,728.16
  5. Step 5: Solve for x
    x = 1,656,869,728.16/52,616.03
  6. Step 6: Final answer
    x = 31,489.83

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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.