Home / 39,803.02-54,927.78-21,898.04

Finding the Fourth Proportional to 39,803.02, 54,927.78 and 21,898.04

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Solution

The fourth proportional to 39,803.02, 54,927.78 and 21,898.04 is: 30,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.02 : 54,927.78 = 21,898.04 : x
  2. Step 2: Convert to fraction form
    39,803.02/54,927.78 = 21,898.04/x
  3. Step 3: Cross multiply
    39,803.02x = 54,927.78 × 21,898.04
  4. Step 4: Simplify right side
    39,803.02x = 1,202,810,723.55
  5. Step 5: Solve for x
    x = 1,202,810,723.55/39,803.02
  6. Step 6: Final answer
    x = 30,219.08

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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.