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Finding the Fourth Proportional to 50,779.71, 76,153.77 and 17,039.16

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Solution

The fourth proportional to 50,779.71, 76,153.77 and 17,039.16 is: 25,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,779.71 : 76,153.77 = 17,039.16 : x
  2. Step 2: Convert to fraction form
    50,779.71/76,153.77 = 17,039.16/x
  3. Step 3: Cross multiply
    50,779.71x = 76,153.77 × 17,039.16
  4. Step 4: Simplify right side
    50,779.71x = 1,297,596,271.63
  5. Step 5: Solve for x
    x = 1,297,596,271.63/50,779.71
  6. Step 6: Final answer
    x = 25,553.44

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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.