Home / 38,436,035.46-53,041,728.39-21,032,380.17

Finding the Fourth Proportional to 38,436,035.46, 53,041,728.39 and 21,032,380.17

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Solution

The fourth proportional to 38,436,035.46, 53,041,728.39 and 21,032,380.17 is: 29,024,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436,035.46 : 53,041,728.39 = 21,032,380.17 : x
  2. Step 2: Convert to fraction form
    38,436,035.46/53,041,728.39 = 21,032,380.17/x
  3. Step 3: Cross multiply
    38,436,035.46x = 53,041,728.39 × 21,032,380.17
  4. Step 4: Simplify right side
    38,436,035.46x = 1,115,593,796,372,362.12
  5. Step 5: Solve for x
    x = 1,115,593,796,372,362.12/38,436,035.46
  6. Step 6: Final answer
    x = 29,024,684.34

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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.