Home / 38,100.06-52,579.80-21,333.06

Finding the Fourth Proportional to 38,100.06, 52,579.80 and 21,333.06

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Solution

The fourth proportional to 38,100.06, 52,579.80 and 21,333.06 is: 29,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.06 : 52,579.80 = 21,333.06 : x
  2. Step 2: Convert to fraction form
    38,100.06/52,579.80 = 21,333.06/x
  3. Step 3: Cross multiply
    38,100.06x = 52,579.80 × 21,333.06
  4. Step 4: Simplify right side
    38,100.06x = 1,121,688,028.19
  5. Step 5: Solve for x
    x = 1,121,688,028.19/38,100.06
  6. Step 6: Final answer
    x = 29,440.58

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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.