Home / 33,719.83-50,541.32-21,075.40

Finding the Fourth Proportional to 33,719.83, 50,541.32 and 21,075.40

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Solution

The fourth proportional to 33,719.83, 50,541.32 and 21,075.40 is: 31,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,719.83 : 50,541.32 = 21,075.40 : x
  2. Step 2: Convert to fraction form
    33,719.83/50,541.32 = 21,075.40/x
  3. Step 3: Cross multiply
    33,719.83x = 50,541.32 × 21,075.40
  4. Step 4: Simplify right side
    33,719.83x = 1,065,178,535.53
  5. Step 5: Solve for x
    x = 1,065,178,535.53/33,719.83
  6. Step 6: Final answer
    x = 31,589.08

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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.