Home / 56,384.55-84,584.10-18,928.53

Finding the Fourth Proportional to 56,384.55, 84,584.10 and 18,928.53

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Solution

The fourth proportional to 56,384.55, 84,584.10 and 18,928.53 is: 28,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.55 : 84,584.10 = 18,928.53 : x
  2. Step 2: Convert to fraction form
    56,384.55/84,584.10 = 18,928.53/x
  3. Step 3: Cross multiply
    56,384.55x = 84,584.10 × 18,928.53
  4. Step 4: Simplify right side
    56,384.55x = 1,601,052,674.37
  5. Step 5: Solve for x
    x = 1,601,052,674.37/56,384.55
  6. Step 6: Final answer
    x = 28,395.24

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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.