Home / 39,277.48-54,202.68-21,372.56

Finding the Fourth Proportional to 39,277.48, 54,202.68 and 21,372.56

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Solution

The fourth proportional to 39,277.48, 54,202.68 and 21,372.56 is: 29,494.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.48 : 54,202.68 = 21,372.56 : x
  2. Step 2: Convert to fraction form
    39,277.48/54,202.68 = 21,372.56/x
  3. Step 3: Cross multiply
    39,277.48x = 54,202.68 × 21,372.56
  4. Step 4: Simplify right side
    39,277.48x = 1,158,450,030.46
  5. Step 5: Solve for x
    x = 1,158,450,030.46/39,277.48
  6. Step 6: Final answer
    x = 29,494.00

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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.