Home / 50,312.46-75,467.93-12,872.22

Finding the Fourth Proportional to 50,312.46, 75,467.93 and 12,872.22

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Solution

The fourth proportional to 50,312.46, 75,467.93 and 12,872.22 is: 19,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.46 : 75,467.93 = 12,872.22 : x
  2. Step 2: Convert to fraction form
    50,312.46/75,467.93 = 12,872.22/x
  3. Step 3: Cross multiply
    50,312.46x = 75,467.93 × 12,872.22
  4. Step 4: Simplify right side
    50,312.46x = 971,439,922.21
  5. Step 5: Solve for x
    x = 971,439,922.21/50,312.46
  6. Step 6: Final answer
    x = 19,308.14

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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.