Home / 39,372.84-54,333.32-21,468.19

Finding the Fourth Proportional to 39,372.84, 54,333.32 and 21,468.19

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Solution

The fourth proportional to 39,372.84, 54,333.32 and 21,468.19 is: 29,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.84 : 54,333.32 = 21,468.19 : x
  2. Step 2: Convert to fraction form
    39,372.84/54,333.32 = 21,468.19/x
  3. Step 3: Cross multiply
    39,372.84x = 54,333.32 × 21,468.19
  4. Step 4: Simplify right side
    39,372.84x = 1,166,438,037.09
  5. Step 5: Solve for x
    x = 1,166,438,037.09/39,372.84
  6. Step 6: Final answer
    x = 29,625.45

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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.