Home / 35,987,976.52-49,662,172.38-20,523,038.56

Finding the Fourth Proportional to 35,987,976.52, 49,662,172.38 and 20,523,038.56

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Solution

The fourth proportional to 35,987,976.52, 49,662,172.38 and 20,523,038.56 is: 28,321,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987,976.52 : 49,662,172.38 = 20,523,038.56 : x
  2. Step 2: Convert to fraction form
    35,987,976.52/49,662,172.38 = 20,523,038.56/x
  3. Step 3: Cross multiply
    35,987,976.52x = 49,662,172.38 × 20,523,038.56
  4. Step 4: Simplify right side
    35,987,976.52x = 1,019,218,678,728,107
  5. Step 5: Solve for x
    x = 1,019,218,678,728,107/35,987,976.52
  6. Step 6: Final answer
    x = 28,321,088.80

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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.