Home / 39,802.37-54,927.26-21,898.53

Finding the Fourth Proportional to 39,802.37, 54,927.26 and 21,898.53

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Solution

The fourth proportional to 39,802.37, 54,927.26 and 21,898.53 is: 30,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,802.37 : 54,927.26 = 21,898.53 : x
  2. Step 2: Convert to fraction form
    39,802.37/54,927.26 = 21,898.53/x
  3. Step 3: Cross multiply
    39,802.37x = 54,927.26 × 21,898.53
  4. Step 4: Simplify right side
    39,802.37x = 1,202,826,141.44
  5. Step 5: Solve for x
    x = 1,202,826,141.44/39,802.37
  6. Step 6: Final answer
    x = 30,219.97

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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.