Home / 45,378.27-68,074.68-15,804.51

Finding the Fourth Proportional to 45,378.27, 68,074.68 and 15,804.51

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Solution

The fourth proportional to 45,378.27, 68,074.68 and 15,804.51 is: 23,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.27 : 68,074.68 = 15,804.51 : x
  2. Step 2: Convert to fraction form
    45,378.27/68,074.68 = 15,804.51/x
  3. Step 3: Cross multiply
    45,378.27x = 68,074.68 × 15,804.51
  4. Step 4: Simplify right side
    45,378.27x = 1,075,886,960.81
  5. Step 5: Solve for x
    x = 1,075,886,960.81/45,378.27
  6. Step 6: Final answer
    x = 23,709.30

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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.