Home / 39,098.18-53,955.58-21,193.11

Finding the Fourth Proportional to 39,098.18, 53,955.58 and 21,193.11

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Solution

The fourth proportional to 39,098.18, 53,955.58 and 21,193.11 is: 29,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.18 : 53,955.58 = 21,193.11 : x
  2. Step 2: Convert to fraction form
    39,098.18/53,955.58 = 21,193.11/x
  3. Step 3: Cross multiply
    39,098.18x = 53,955.58 × 21,193.11
  4. Step 4: Simplify right side
    39,098.18x = 1,143,486,542.05
  5. Step 5: Solve for x
    x = 1,143,486,542.05/39,098.18
  6. Step 6: Final answer
    x = 29,246.54

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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.