Home / 50,576.37-75,872.76-18,988.91

Finding the Fourth Proportional to 50,576.37, 75,872.76 and 18,988.91

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Solution

The fourth proportional to 50,576.37, 75,872.76 and 18,988.91 is: 28,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,576.37 : 75,872.76 = 18,988.91 : x
  2. Step 2: Convert to fraction form
    50,576.37/75,872.76 = 18,988.91/x
  3. Step 3: Cross multiply
    50,576.37x = 75,872.76 × 18,988.91
  4. Step 4: Simplify right side
    50,576.37x = 1,440,741,011.09
  5. Step 5: Solve for x
    x = 1,440,741,011.09/50,576.37
  6. Step 6: Final answer
    x = 28,486.45

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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.