Home / 53,172.02-79,781.48-28,205.94

Finding the Fourth Proportional to 53,172.02, 79,781.48 and 28,205.94

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Solution

The fourth proportional to 53,172.02, 79,781.48 and 28,205.94 is: 42,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.02 : 79,781.48 = 28,205.94 : x
  2. Step 2: Convert to fraction form
    53,172.02/79,781.48 = 28,205.94/x
  3. Step 3: Cross multiply
    53,172.02x = 79,781.48 × 28,205.94
  4. Step 4: Simplify right side
    53,172.02x = 2,250,311,496.96
  5. Step 5: Solve for x
    x = 2,250,311,496.96/53,172.02
  6. Step 6: Final answer
    x = 42,321.35

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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.