Home / 50,312.46-75,467.90-12,872.21

Finding the Fourth Proportional to 50,312.46, 75,467.90 and 12,872.21

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Solution

The fourth proportional to 50,312.46, 75,467.90 and 12,872.21 is: 19,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.46 : 75,467.90 = 12,872.21 : x
  2. Step 2: Convert to fraction form
    50,312.46/75,467.90 = 12,872.21/x
  3. Step 3: Cross multiply
    50,312.46x = 75,467.90 × 12,872.21
  4. Step 4: Simplify right side
    50,312.46x = 971,438,239.49
  5. Step 5: Solve for x
    x = 971,438,239.49/50,312.46
  6. Step 6: Final answer
    x = 19,308.11

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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.