Home / 36,312.16-54,472.88-12,940.96

Finding the Fourth Proportional to 36,312.16, 54,472.88 and 12,940.96

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Solution

The fourth proportional to 36,312.16, 54,472.88 and 12,940.96 is: 19,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,312.16 : 54,472.88 = 12,940.96 : x
  2. Step 2: Convert to fraction form
    36,312.16/54,472.88 = 12,940.96/x
  3. Step 3: Cross multiply
    36,312.16x = 54,472.88 × 12,940.96
  4. Step 4: Simplify right side
    36,312.16x = 704,931,361.16
  5. Step 5: Solve for x
    x = 704,931,361.16/36,312.16
  6. Step 6: Final answer
    x = 19,413.09

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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.