Home / 43,647.73-65,471.46-28,853.35

Finding the Fourth Proportional to 43,647.73, 65,471.46 and 28,853.35

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Solution

The fourth proportional to 43,647.73, 65,471.46 and 28,853.35 is: 43,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647.73 : 65,471.46 = 28,853.35 : x
  2. Step 2: Convert to fraction form
    43,647.73/65,471.46 = 28,853.35/x
  3. Step 3: Cross multiply
    43,647.73x = 65,471.46 × 28,853.35
  4. Step 4: Simplify right side
    43,647.73x = 1,889,070,950.39
  5. Step 5: Solve for x
    x = 1,889,070,950.39/43,647.73
  6. Step 6: Final answer
    x = 43,279.94

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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.