Home / 39,277.53-54,203.64-21,372.63

Finding the Fourth Proportional to 39,277.53, 54,203.64 and 21,372.63

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Solution

The fourth proportional to 39,277.53, 54,203.64 and 21,372.63 is: 29,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.53 : 54,203.64 = 21,372.63 : x
  2. Step 2: Convert to fraction form
    39,277.53/54,203.64 = 21,372.63/x
  3. Step 3: Cross multiply
    39,277.53x = 54,203.64 × 21,372.63
  4. Step 4: Simplify right side
    39,277.53x = 1,158,474,342.37
  5. Step 5: Solve for x
    x = 1,158,474,342.37/39,277.53
  6. Step 6: Final answer
    x = 29,494.58

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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.