Home / 39,237.53-54,147.53-21,332.54

Finding the Fourth Proportional to 39,237.53, 54,147.53 and 21,332.54

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Solution

The fourth proportional to 39,237.53, 54,147.53 and 21,332.54 is: 29,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.53 : 54,147.53 = 21,332.54 : x
  2. Step 2: Convert to fraction form
    39,237.53/54,147.53 = 21,332.54/x
  3. Step 3: Cross multiply
    39,237.53x = 54,147.53 × 21,332.54
  4. Step 4: Simplify right side
    39,237.53x = 1,155,104,242.96
  5. Step 5: Solve for x
    x = 1,155,104,242.96/39,237.53
  6. Step 6: Final answer
    x = 29,438.76

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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.