Home / 39,558.86-54,590.01-21,653.54

Finding the Fourth Proportional to 39,558.86, 54,590.01 and 21,653.54

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Solution

The fourth proportional to 39,558.86, 54,590.01 and 21,653.54 is: 29,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.86 : 54,590.01 = 21,653.54 : x
  2. Step 2: Convert to fraction form
    39,558.86/54,590.01 = 21,653.54/x
  3. Step 3: Cross multiply
    39,558.86x = 54,590.01 × 21,653.54
  4. Step 4: Simplify right side
    39,558.86x = 1,182,066,965.14
  5. Step 5: Solve for x
    x = 1,182,066,965.14/39,558.86
  6. Step 6: Final answer
    x = 29,881.22

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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.