Home / 31,766.94-47,657.34-12,045.69

Finding the Fourth Proportional to 31,766.94, 47,657.34 and 12,045.69

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Solution

The fourth proportional to 31,766.94, 47,657.34 and 12,045.69 is: 18,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.94 : 47,657.34 = 12,045.69 : x
  2. Step 2: Convert to fraction form
    31,766.94/47,657.34 = 12,045.69/x
  3. Step 3: Cross multiply
    31,766.94x = 47,657.34 × 12,045.69
  4. Step 4: Simplify right side
    31,766.94x = 574,065,543.86
  5. Step 5: Solve for x
    x = 574,065,543.86/31,766.94
  6. Step 6: Final answer
    x = 18,071.16

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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.