Home / 32,120.56-47,858.90-28,628.56

Finding the Fourth Proportional to 32,120.56, 47,858.90 and 28,628.56

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Solution

The fourth proportional to 32,120.56, 47,858.90 and 28,628.56 is: 42,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.56 : 47,858.90 = 28,628.56 : x
  2. Step 2: Convert to fraction form
    32,120.56/47,858.90 = 28,628.56/x
  3. Step 3: Cross multiply
    32,120.56x = 47,858.90 × 28,628.56
  4. Step 4: Simplify right side
    32,120.56x = 1,370,131,390.18
  5. Step 5: Solve for x
    x = 1,370,131,390.18/32,120.56
  6. Step 6: Final answer
    x = 42,655.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.