Home / 36,631.68-54,903.62-18,870.81

Finding the Fourth Proportional to 36,631.68, 54,903.62 and 18,870.81

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Solution

The fourth proportional to 36,631.68, 54,903.62 and 18,870.81 is: 28,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.68 : 54,903.62 = 18,870.81 : x
  2. Step 2: Convert to fraction form
    36,631.68/54,903.62 = 18,870.81/x
  3. Step 3: Cross multiply
    36,631.68x = 54,903.62 × 18,870.81
  4. Step 4: Simplify right side
    36,631.68x = 1,036,075,622.62
  5. Step 5: Solve for x
    x = 1,036,075,622.62/36,631.68
  6. Step 6: Final answer
    x = 28,283.60

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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.