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Finding the Fourth Proportional to 42,504, 63,742.22 and 14,034.55

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Solution

The fourth proportional to 42,504, 63,742.22 and 14,034.55 is: 21,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,504 : 63,742.22 = 14,034.55 : x
  2. Step 2: Convert to fraction form
    42,504/63,742.22 = 14,034.55/x
  3. Step 3: Cross multiply
    42,504x = 63,742.22 × 14,034.55
  4. Step 4: Simplify right side
    42,504x = 894,593,303.53
  5. Step 5: Solve for x
    x = 894,593,303.53/42,504
  6. Step 6: Final answer
    x = 21,047.27

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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.