Home / 35,981.14-53,976.23-19,318.27

Finding the Fourth Proportional to 35,981.14, 53,976.23 and 19,318.27

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Solution

The fourth proportional to 35,981.14, 53,976.23 and 19,318.27 is: 28,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.14 : 53,976.23 = 19,318.27 : x
  2. Step 2: Convert to fraction form
    35,981.14/53,976.23 = 19,318.27/x
  3. Step 3: Cross multiply
    35,981.14x = 53,976.23 × 19,318.27
  4. Step 4: Simplify right side
    35,981.14x = 1,042,727,384.72
  5. Step 5: Solve for x
    x = 1,042,727,384.72/35,981.14
  6. Step 6: Final answer
    x = 28,979.83

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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.