Home / 34,675.60-47,858.16-20,536.24

Finding the Fourth Proportional to 34,675.60, 47,858.16 and 20,536.24

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Solution

The fourth proportional to 34,675.60, 47,858.16 and 20,536.24 is: 28,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,675.60 : 47,858.16 = 20,536.24 : x
  2. Step 2: Convert to fraction form
    34,675.60/47,858.16 = 20,536.24/x
  3. Step 3: Cross multiply
    34,675.60x = 47,858.16 × 20,536.24
  4. Step 4: Simplify right side
    34,675.60x = 982,826,659.72
  5. Step 5: Solve for x
    x = 982,826,659.72/34,675.60
  6. Step 6: Final answer
    x = 28,343.47

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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.