Home / 50,975.78-76,440.64-15,423.38

Finding the Fourth Proportional to 50,975.78, 76,440.64 and 15,423.38

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Solution

The fourth proportional to 50,975.78, 76,440.64 and 15,423.38 is: 23,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975.78 : 76,440.64 = 15,423.38 : x
  2. Step 2: Convert to fraction form
    50,975.78/76,440.64 = 15,423.38/x
  3. Step 3: Cross multiply
    50,975.78x = 76,440.64 × 15,423.38
  4. Step 4: Simplify right side
    50,975.78x = 1,178,973,038.16
  5. Step 5: Solve for x
    x = 1,178,973,038.16/50,975.78
  6. Step 6: Final answer
    x = 23,128.10

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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.