Home / 48,075-72,112.56-12,536.29

Finding the Fourth Proportional to 48,075, 72,112.56 and 12,536.29

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Solution

The fourth proportional to 48,075, 72,112.56 and 12,536.29 is: 18,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,075 : 72,112.56 = 12,536.29 : x
  2. Step 2: Convert to fraction form
    48,075/72,112.56 = 12,536.29/x
  3. Step 3: Cross multiply
    48,075x = 72,112.56 × 12,536.29
  4. Step 4: Simplify right side
    48,075x = 904,023,964.80
  5. Step 5: Solve for x
    x = 904,023,964.80/48,075
  6. Step 6: Final answer
    x = 18,804.45

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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.