Home / 51,903.16-77,865.68-16,840.04

Finding the Fourth Proportional to 51,903.16, 77,865.68 and 16,840.04

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Solution

The fourth proportional to 51,903.16, 77,865.68 and 16,840.04 is: 25,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903.16 : 77,865.68 = 16,840.04 : x
  2. Step 2: Convert to fraction form
    51,903.16/77,865.68 = 16,840.04/x
  3. Step 3: Cross multiply
    51,903.16x = 77,865.68 × 16,840.04
  4. Step 4: Simplify right side
    51,903.16x = 1,311,261,165.83
  5. Step 5: Solve for x
    x = 1,311,261,165.83/51,903.16
  6. Step 6: Final answer
    x = 25,263.61

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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.