Home / 39,260.58-54,180.14-21,356.34

Finding the Fourth Proportional to 39,260.58, 54,180.14 and 21,356.34

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Solution

The fourth proportional to 39,260.58, 54,180.14 and 21,356.34 is: 29,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260.58 : 54,180.14 = 21,356.34 : x
  2. Step 2: Convert to fraction form
    39,260.58/54,180.14 = 21,356.34/x
  3. Step 3: Cross multiply
    39,260.58x = 54,180.14 × 21,356.34
  4. Step 4: Simplify right side
    39,260.58x = 1,157,089,384.31
  5. Step 5: Solve for x
    x = 1,157,089,384.31/39,260.58
  6. Step 6: Final answer
    x = 29,472.04

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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.