Home / 50,860.21-76,276.65-21,271.93

Finding the Fourth Proportional to 50,860.21, 76,276.65 and 21,271.93

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Solution

The fourth proportional to 50,860.21, 76,276.65 and 21,271.93 is: 31,902.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,860.21 : 76,276.65 = 21,271.93 : x
  2. Step 2: Convert to fraction form
    50,860.21/76,276.65 = 21,271.93/x
  3. Step 3: Cross multiply
    50,860.21x = 76,276.65 × 21,271.93
  4. Step 4: Simplify right side
    50,860.21x = 1,622,551,559.43
  5. Step 5: Solve for x
    x = 1,622,551,559.43/50,860.21
  6. Step 6: Final answer
    x = 31,902.18

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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.