Home / 39,019.33-53,846.28-21,113.95

Finding the Fourth Proportional to 39,019.33, 53,846.28 and 21,113.95

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Solution

The fourth proportional to 39,019.33, 53,846.28 and 21,113.95 is: 29,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.33 : 53,846.28 = 21,113.95 : x
  2. Step 2: Convert to fraction form
    39,019.33/53,846.28 = 21,113.95/x
  3. Step 3: Cross multiply
    39,019.33x = 53,846.28 × 21,113.95
  4. Step 4: Simplify right side
    39,019.33x = 1,136,907,663.61
  5. Step 5: Solve for x
    x = 1,136,907,663.61/39,019.33
  6. Step 6: Final answer
    x = 29,137.04

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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.