Home / 39,237.54-54,148.26-21,332.15

Finding the Fourth Proportional to 39,237.54, 54,148.26 and 21,332.15

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Solution

The fourth proportional to 39,237.54, 54,148.26 and 21,332.15 is: 29,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.54 : 54,148.26 = 21,332.15 : x
  2. Step 2: Convert to fraction form
    39,237.54/54,148.26 = 21,332.15/x
  3. Step 3: Cross multiply
    39,237.54x = 54,148.26 × 21,332.15
  4. Step 4: Simplify right side
    39,237.54x = 1,155,098,533.82
  5. Step 5: Solve for x
    x = 1,155,098,533.82/39,237.54
  6. Step 6: Final answer
    x = 29,438.61

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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.