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Finding the Fourth Proportional to 50,866.90, 76,284.75 and 35,172.77

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Solution

The fourth proportional to 50,866.90, 76,284.75 and 35,172.77 is: 52,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,866.90 : 76,284.75 = 35,172.77 : x
  2. Step 2: Convert to fraction form
    50,866.90/76,284.75 = 35,172.77/x
  3. Step 3: Cross multiply
    50,866.90x = 76,284.75 × 35,172.77
  4. Step 4: Simplify right side
    50,866.90x = 2,683,146,025.07
  5. Step 5: Solve for x
    x = 2,683,146,025.07/50,866.90
  6. Step 6: Final answer
    x = 52,748.37

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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.