Home / 48,616.07-72,894.93-18,998.62

Finding the Fourth Proportional to 48,616.07, 72,894.93 and 18,998.62

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Solution

The fourth proportional to 48,616.07, 72,894.93 and 18,998.62 is: 28,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.07 : 72,894.93 = 18,998.62 : x
  2. Step 2: Convert to fraction form
    48,616.07/72,894.93 = 18,998.62/x
  3. Step 3: Cross multiply
    48,616.07x = 72,894.93 × 18,998.62
  4. Step 4: Simplify right side
    48,616.07x = 1,384,902,821.51
  5. Step 5: Solve for x
    x = 1,384,902,821.51/48,616.07
  6. Step 6: Final answer
    x = 28,486.53

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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.