Home / 38,501,179.28-53,131,612.20-21,331,771.28

Finding the Fourth Proportional to 38,501,179.28, 53,131,612.20 and 21,331,771.28

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Solution

The fourth proportional to 38,501,179.28, 53,131,612.20 and 21,331,771.28 is: 29,437,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501,179.28 : 53,131,612.20 = 21,331,771.28 : x
  2. Step 2: Convert to fraction form
    38,501,179.28/53,131,612.20 = 21,331,771.28/x
  3. Step 3: Cross multiply
    38,501,179.28x = 53,131,612.20 × 21,331,771.28
  4. Step 4: Simplify right side
    38,501,179.28x = 1,133,391,399,188,057.75
  5. Step 5: Solve for x
    x = 1,133,391,399,188,057.75/38,501,179.28
  6. Step 6: Final answer
    x = 29,437,835.94

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1.5x scale

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.