Home / 51,719.80-77,725.02-30,662.83

Finding the Fourth Proportional to 51,719.80, 77,725.02 and 30,662.83

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Solution

The fourth proportional to 51,719.80, 77,725.02 and 30,662.83 is: 46,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.80 : 77,725.02 = 30,662.83 : x
  2. Step 2: Convert to fraction form
    51,719.80/77,725.02 = 30,662.83/x
  3. Step 3: Cross multiply
    51,719.80x = 77,725.02 × 30,662.83
  4. Step 4: Simplify right side
    51,719.80x = 2,383,269,075.01
  5. Step 5: Solve for x
    x = 2,383,269,075.01/51,719.80
  6. Step 6: Final answer
    x = 46,080.40

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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.