Home / 31,611.61-47,473.80-30,341.62

Finding the Fourth Proportional to 31,611.61, 47,473.80 and 30,341.62

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Solution

The fourth proportional to 31,611.61, 47,473.80 and 30,341.62 is: 45,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.61 : 47,473.80 = 30,341.62 : x
  2. Step 2: Convert to fraction form
    31,611.61/47,473.80 = 30,341.62/x
  3. Step 3: Cross multiply
    31,611.61x = 47,473.80 × 30,341.62
  4. Step 4: Simplify right side
    31,611.61x = 1,440,431,999.56
  5. Step 5: Solve for x
    x = 1,440,431,999.56/31,611.61
  6. Step 6: Final answer
    x = 45,566.55

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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.