Home / 39,339.75-54,289.40-22,572.75

Finding the Fourth Proportional to 39,339.75, 54,289.40 and 22,572.75

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Solution

The fourth proportional to 39,339.75, 54,289.40 and 22,572.75 is: 31,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.75 : 54,289.40 = 22,572.75 : x
  2. Step 2: Convert to fraction form
    39,339.75/54,289.40 = 22,572.75/x
  3. Step 3: Cross multiply
    39,339.75x = 54,289.40 × 22,572.75
  4. Step 4: Simplify right side
    39,339.75x = 1,225,460,940.99
  5. Step 5: Solve for x
    x = 1,225,460,940.99/39,339.75
  6. Step 6: Final answer
    x = 31,150.70

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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.