Home / 39,096.74-53,953.30-21,191.60

Finding the Fourth Proportional to 39,096.74, 53,953.30 and 21,191.60

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Solution

The fourth proportional to 39,096.74, 53,953.30 and 21,191.60 is: 29,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096.74 : 53,953.30 = 21,191.60 : x
  2. Step 2: Convert to fraction form
    39,096.74/53,953.30 = 21,191.60/x
  3. Step 3: Cross multiply
    39,096.74x = 53,953.30 × 21,191.60
  4. Step 4: Simplify right side
    39,096.74x = 1,143,356,752.28
  5. Step 5: Solve for x
    x = 1,143,356,752.28/39,096.74
  6. Step 6: Final answer
    x = 29,244.30

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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.