Home / 39,200.24-54,096.80-21,295.53

Finding the Fourth Proportional to 39,200.24, 54,096.80 and 21,295.53

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Solution

The fourth proportional to 39,200.24, 54,096.80 and 21,295.53 is: 29,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.24 : 54,096.80 = 21,295.53 : x
  2. Step 2: Convert to fraction form
    39,200.24/54,096.80 = 21,295.53/x
  3. Step 3: Cross multiply
    39,200.24x = 54,096.80 × 21,295.53
  4. Step 4: Simplify right side
    39,200.24x = 1,152,019,920.83
  5. Step 5: Solve for x
    x = 1,152,019,920.83/39,200.24
  6. Step 6: Final answer
    x = 29,388.08

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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.