Home / 45,451.65-68,178.57-15,465.83

Finding the Fourth Proportional to 45,451.65, 68,178.57 and 15,465.83

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Solution

The fourth proportional to 45,451.65, 68,178.57 and 15,465.83 is: 23,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.65 : 68,178.57 = 15,465.83 : x
  2. Step 2: Convert to fraction form
    45,451.65/68,178.57 = 15,465.83/x
  3. Step 3: Cross multiply
    45,451.65x = 68,178.57 × 15,465.83
  4. Step 4: Simplify right side
    45,451.65x = 1,054,437,832.37
  5. Step 5: Solve for x
    x = 1,054,437,832.37/45,451.65
  6. Step 6: Final answer
    x = 23,199.11

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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.