Home / 37,611.40-51,904.37-20,615.30

Finding the Fourth Proportional to 37,611.40, 51,904.37 and 20,615.30

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Solution

The fourth proportional to 37,611.40, 51,904.37 and 20,615.30 is: 28,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.40 : 51,904.37 = 20,615.30 : x
  2. Step 2: Convert to fraction form
    37,611.40/51,904.37 = 20,615.30/x
  3. Step 3: Cross multiply
    37,611.40x = 51,904.37 × 20,615.30
  4. Step 4: Simplify right side
    37,611.40x = 1,070,024,055.78
  5. Step 5: Solve for x
    x = 1,070,024,055.78/37,611.40
  6. Step 6: Final answer
    x = 28,449.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.