Home / 37,755.79-52,100.31-20,759.76

Finding the Fourth Proportional to 37,755.79, 52,100.31 and 20,759.76

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Solution

The fourth proportional to 37,755.79, 52,100.31 and 20,759.76 is: 28,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,755.79 : 52,100.31 = 20,759.76 : x
  2. Step 2: Convert to fraction form
    37,755.79/52,100.31 = 20,759.76/x
  3. Step 3: Cross multiply
    37,755.79x = 52,100.31 × 20,759.76
  4. Step 4: Simplify right side
    37,755.79x = 1,081,590,009.37
  5. Step 5: Solve for x
    x = 1,081,590,009.37/37,755.79
  6. Step 6: Final answer
    x = 28,647.00

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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.