Home / 43,023.18-64,512.60-19,310.39

Finding the Fourth Proportional to 43,023.18, 64,512.60 and 19,310.39

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Solution

The fourth proportional to 43,023.18, 64,512.60 and 19,310.39 is: 28,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.18 : 64,512.60 = 19,310.39 : x
  2. Step 2: Convert to fraction form
    43,023.18/64,512.60 = 19,310.39/x
  3. Step 3: Cross multiply
    43,023.18x = 64,512.60 × 19,310.39
  4. Step 4: Simplify right side
    43,023.18x = 1,245,763,739.00
  5. Step 5: Solve for x
    x = 1,245,763,739.00/43,023.18
  6. Step 6: Final answer
    x = 28,955.64

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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.