Home / 51,903.28-77,865.84-16,840.20

Finding the Fourth Proportional to 51,903.28, 77,865.84 and 16,840.20

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Solution

The fourth proportional to 51,903.28, 77,865.84 and 16,840.20 is: 25,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,903.28 : 77,865.84 = 16,840.20 : x
  2. Step 2: Convert to fraction form
    51,903.28/77,865.84 = 16,840.20/x
  3. Step 3: Cross multiply
    51,903.28x = 77,865.84 × 16,840.20
  4. Step 4: Simplify right side
    51,903.28x = 1,311,276,318.77
  5. Step 5: Solve for x
    x = 1,311,276,318.77/51,903.28
  6. Step 6: Final answer
    x = 25,263.84

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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.