Home / 39,099.04-53,956.46-21,193.99

Finding the Fourth Proportional to 39,099.04, 53,956.46 and 21,193.99

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Solution

The fourth proportional to 39,099.04, 53,956.46 and 21,193.99 is: 29,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.04 : 53,956.46 = 21,193.99 : x
  2. Step 2: Convert to fraction form
    39,099.04/53,956.46 = 21,193.99/x
  3. Step 3: Cross multiply
    39,099.04x = 53,956.46 × 21,193.99
  4. Step 4: Simplify right side
    39,099.04x = 1,143,552,591.77
  5. Step 5: Solve for x
    x = 1,143,552,591.77/39,099.04
  6. Step 6: Final answer
    x = 29,247.59

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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.