Home / 35,687.12-49,248.47-19,771.83

Finding the Fourth Proportional to 35,687.12, 49,248.47 and 19,771.83

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Solution

The fourth proportional to 35,687.12, 49,248.47 and 19,771.83 is: 27,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.12 : 49,248.47 = 19,771.83 : x
  2. Step 2: Convert to fraction form
    35,687.12/49,248.47 = 19,771.83/x
  3. Step 3: Cross multiply
    35,687.12x = 49,248.47 × 19,771.83
  4. Step 4: Simplify right side
    35,687.12x = 973,732,426.03
  5. Step 5: Solve for x
    x = 973,732,426.03/35,687.12
  6. Step 6: Final answer
    x = 27,285.27

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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.