Home / 39,098.68-53,956.50-21,193.66

Finding the Fourth Proportional to 39,098.68, 53,956.50 and 21,193.66

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Solution

The fourth proportional to 39,098.68, 53,956.50 and 21,193.66 is: 29,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,098.68 : 53,956.50 = 21,193.66 : x
  2. Step 2: Convert to fraction form
    39,098.68/53,956.50 = 21,193.66/x
  3. Step 3: Cross multiply
    39,098.68x = 53,956.50 × 21,193.66
  4. Step 4: Simplify right side
    39,098.68x = 1,143,535,715.79
  5. Step 5: Solve for x
    x = 1,143,535,715.79/39,098.68
  6. Step 6: Final answer
    x = 29,247.43

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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.