Home / 35,809.10-53,728.83-19,164.81

Finding the Fourth Proportional to 35,809.10, 53,728.83 and 19,164.81

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Solution

The fourth proportional to 35,809.10, 53,728.83 and 19,164.81 is: 28,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.10 : 53,728.83 = 19,164.81 : x
  2. Step 2: Convert to fraction form
    35,809.10/53,728.83 = 19,164.81/x
  3. Step 3: Cross multiply
    35,809.10x = 53,728.83 × 19,164.81
  4. Step 4: Simplify right side
    35,809.10x = 1,029,702,818.47
  5. Step 5: Solve for x
    x = 1,029,702,818.47/35,809.10
  6. Step 6: Final answer
    x = 28,755.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.