Home / 48,371.04-72,542.79-18,782.55

Finding the Fourth Proportional to 48,371.04, 72,542.79 and 18,782.55

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Solution

The fourth proportional to 48,371.04, 72,542.79 and 18,782.55 is: 28,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.04 : 72,542.79 = 18,782.55 : x
  2. Step 2: Convert to fraction form
    48,371.04/72,542.79 = 18,782.55/x
  3. Step 3: Cross multiply
    48,371.04x = 72,542.79 × 18,782.55
  4. Step 4: Simplify right side
    48,371.04x = 1,362,538,580.31
  5. Step 5: Solve for x
    x = 1,362,538,580.31/48,371.04
  6. Step 6: Final answer
    x = 28,168.48

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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.