Home / 49,158.21-73,811.16-28,122

Finding the Fourth Proportional to 49,158.21, 73,811.16 and 28,122

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Solution

The fourth proportional to 49,158.21, 73,811.16 and 28,122 is: 42,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,158.21 : 73,811.16 = 28,122 : x
  2. Step 2: Convert to fraction form
    49,158.21/73,811.16 = 28,122/x
  3. Step 3: Cross multiply
    49,158.21x = 73,811.16 × 28,122
  4. Step 4: Simplify right side
    49,158.21x = 2,075,717,441.52
  5. Step 5: Solve for x
    x = 2,075,717,441.52/49,158.21
  6. Step 6: Final answer
    x = 42,225.24

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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.