Home / 31,962.48-47,912.76-12,225.84

Finding the Fourth Proportional to 31,962.48, 47,912.76 and 12,225.84

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Solution

The fourth proportional to 31,962.48, 47,912.76 and 12,225.84 is: 18,326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,962.48 : 47,912.76 = 12,225.84 : x
  2. Step 2: Convert to fraction form
    31,962.48/47,912.76 = 12,225.84/x
  3. Step 3: Cross multiply
    31,962.48x = 47,912.76 × 12,225.84
  4. Step 4: Simplify right side
    31,962.48x = 585,773,737.72
  5. Step 5: Solve for x
    x = 585,773,737.72/31,962.48
  6. Step 6: Final answer
    x = 18,326.92

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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.