Home / 43,847.01-65,780.25-20,460.69

Finding the Fourth Proportional to 43,847.01, 65,780.25 and 20,460.69

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Solution

The fourth proportional to 43,847.01, 65,780.25 and 20,460.69 is: 30,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,847.01 : 65,780.25 = 20,460.69 : x
  2. Step 2: Convert to fraction form
    43,847.01/65,780.25 = 20,460.69/x
  3. Step 3: Cross multiply
    43,847.01x = 65,780.25 × 20,460.69
  4. Step 4: Simplify right side
    43,847.01x = 1,345,909,303.37
  5. Step 5: Solve for x
    x = 1,345,909,303.37/43,847.01
  6. Step 6: Final answer
    x = 30,695.58

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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.