Home / 51,827.90-77,704.44-20,211.17

Finding the Fourth Proportional to 51,827.90, 77,704.44 and 20,211.17

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Solution

The fourth proportional to 51,827.90, 77,704.44 and 20,211.17 is: 30,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,827.90 : 77,704.44 = 20,211.17 : x
  2. Step 2: Convert to fraction form
    51,827.90/77,704.44 = 20,211.17/x
  3. Step 3: Cross multiply
    51,827.90x = 77,704.44 × 20,211.17
  4. Step 4: Simplify right side
    51,827.90x = 1,570,497,646.59
  5. Step 5: Solve for x
    x = 1,570,497,646.59/51,827.90
  6. Step 6: Final answer
    x = 30,302.17

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1.5x scale

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.