Home / 50,725.02-76,065.54-20,719.38

Finding the Fourth Proportional to 50,725.02, 76,065.54 and 20,719.38

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Solution

The fourth proportional to 50,725.02, 76,065.54 and 20,719.38 is: 31,070.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.02 : 76,065.54 = 20,719.38 : x
  2. Step 2: Convert to fraction form
    50,725.02/76,065.54 = 20,719.38/x
  3. Step 3: Cross multiply
    50,725.02x = 76,065.54 × 20,719.38
  4. Step 4: Simplify right side
    50,725.02x = 1,576,030,828.17
  5. Step 5: Solve for x
    x = 1,576,030,828.17/50,725.02
  6. Step 6: Final answer
    x = 31,070.09

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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.