Home / 47,395.18-65,405.19-28,533.34

Finding the Fourth Proportional to 47,395.18, 65,405.19 and 28,533.34

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Solution

The fourth proportional to 47,395.18, 65,405.19 and 28,533.34 is: 39,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.18 : 65,405.19 = 28,533.34 : x
  2. Step 2: Convert to fraction form
    47,395.18/65,405.19 = 28,533.34/x
  3. Step 3: Cross multiply
    47,395.18x = 65,405.19 × 28,533.34
  4. Step 4: Simplify right side
    47,395.18x = 1,866,228,524.03
  5. Step 5: Solve for x
    x = 1,866,228,524.03/47,395.18
  6. Step 6: Final answer
    x = 39,375.91

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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.