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Finding the Fourth Proportional to 52,321.41, 78,484.84 and 17,263.80

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Solution

The fourth proportional to 52,321.41, 78,484.84 and 17,263.80 is: 25,896.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,321.41 : 78,484.84 = 17,263.80 : x
  2. Step 2: Convert to fraction form
    52,321.41/78,484.84 = 17,263.80/x
  3. Step 3: Cross multiply
    52,321.41x = 78,484.84 × 17,263.80
  4. Step 4: Simplify right side
    52,321.41x = 1,354,946,537.63
  5. Step 5: Solve for x
    x = 1,354,946,537.63/52,321.41
  6. Step 6: Final answer
    x = 25,896.60

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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.