Home / 39,004.95-53,826.66-21,099.91

Finding the Fourth Proportional to 39,004.95, 53,826.66 and 21,099.91

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Solution

The fourth proportional to 39,004.95, 53,826.66 and 21,099.91 is: 29,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,004.95 : 53,826.66 = 21,099.91 : x
  2. Step 2: Convert to fraction form
    39,004.95/53,826.66 = 21,099.91/x
  3. Step 3: Cross multiply
    39,004.95x = 53,826.66 × 21,099.91
  4. Step 4: Simplify right side
    39,004.95x = 1,135,737,626.16
  5. Step 5: Solve for x
    x = 1,135,737,626.16/39,004.95
  6. Step 6: Final answer
    x = 29,117.78

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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.