Home / 72,263.02-108,391.93-18,954.58

Finding the Fourth Proportional to 72,263.02, 108,391.93 and 18,954.58

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Solution

The fourth proportional to 72,263.02, 108,391.93 and 18,954.58 is: 28,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,263.02 : 108,391.93 = 18,954.58 : x
  2. Step 2: Convert to fraction form
    72,263.02/108,391.93 = 18,954.58/x
  3. Step 3: Cross multiply
    72,263.02x = 108,391.93 × 18,954.58
  4. Step 4: Simplify right side
    72,263.02x = 2,054,523,022.48
  5. Step 5: Solve for x
    x = 2,054,523,022.48/72,263.02
  6. Step 6: Final answer
    x = 28,431.18

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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.