Home / 39,019.24-53,846.33-21,113.85

Finding the Fourth Proportional to 39,019.24, 53,846.33 and 21,113.85

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Solution

The fourth proportional to 39,019.24, 53,846.33 and 21,113.85 is: 29,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.24 : 53,846.33 = 21,113.85 : x
  2. Step 2: Convert to fraction form
    39,019.24/53,846.33 = 21,113.85/x
  3. Step 3: Cross multiply
    39,019.24x = 53,846.33 × 21,113.85
  4. Step 4: Simplify right side
    39,019.24x = 1,136,903,334.67
  5. Step 5: Solve for x
    x = 1,136,903,334.67/39,019.24
  6. Step 6: Final answer
    x = 29,136.99

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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.