Home / 38,106.36-52,579.98-21,336.12

Finding the Fourth Proportional to 38,106.36, 52,579.98 and 21,336.12

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Solution

The fourth proportional to 38,106.36, 52,579.98 and 21,336.12 is: 29,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.36 : 52,579.98 = 21,336.12 : x
  2. Step 2: Convert to fraction form
    38,106.36/52,579.98 = 21,336.12/x
  3. Step 3: Cross multiply
    38,106.36x = 52,579.98 × 21,336.12
  4. Step 4: Simplify right side
    38,106.36x = 1,121,852,762.88
  5. Step 5: Solve for x
    x = 1,121,852,762.88/38,106.36
  6. Step 6: Final answer
    x = 29,440.04

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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.