Home / 51,816.12-77,719.05-18,534.84

Finding the Fourth Proportional to 51,816.12, 77,719.05 and 18,534.84

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Solution

The fourth proportional to 51,816.12, 77,719.05 and 18,534.84 is: 27,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.12 : 77,719.05 = 18,534.84 : x
  2. Step 2: Convert to fraction form
    51,816.12/77,719.05 = 18,534.84/x
  3. Step 3: Cross multiply
    51,816.12x = 77,719.05 × 18,534.84
  4. Step 4: Simplify right side
    51,816.12x = 1,440,510,156.70
  5. Step 5: Solve for x
    x = 1,440,510,156.70/51,816.12
  6. Step 6: Final answer
    x = 27,800.42

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1.5x scale

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.