Home / 45,158.24-67,704.54-18,870.50

Finding the Fourth Proportional to 45,158.24, 67,704.54 and 18,870.50

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Solution

The fourth proportional to 45,158.24, 67,704.54 and 18,870.50 is: 28,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.24 : 67,704.54 = 18,870.50 : x
  2. Step 2: Convert to fraction form
    45,158.24/67,704.54 = 18,870.50/x
  3. Step 3: Cross multiply
    45,158.24x = 67,704.54 × 18,870.50
  4. Step 4: Simplify right side
    45,158.24x = 1,277,618,522.07
  5. Step 5: Solve for x
    x = 1,277,618,522.07/45,158.24
  6. Step 6: Final answer
    x = 28,292.04

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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.