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Finding the Fourth Proportional to 50,888, 70,225.44 and 28,532

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Solution

The fourth proportional to 50,888, 70,225.44 and 28,532 is: 39,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,888 : 70,225.44 = 28,532 : x
  2. Step 2: Convert to fraction form
    50,888/70,225.44 = 28,532/x
  3. Step 3: Cross multiply
    50,888x = 70,225.44 × 28,532
  4. Step 4: Simplify right side
    50,888x = 2,003,672,254.08
  5. Step 5: Solve for x
    x = 2,003,672,254.08/50,888
  6. Step 6: Final answer
    x = 39,374.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.