Home / 43,303.44-64,959.29-12,138.60

Finding the Fourth Proportional to 43,303.44, 64,959.29 and 12,138.60

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Solution

The fourth proportional to 43,303.44, 64,959.29 and 12,138.60 is: 18,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,303.44 : 64,959.29 = 12,138.60 : x
  2. Step 2: Convert to fraction form
    43,303.44/64,959.29 = 12,138.60/x
  3. Step 3: Cross multiply
    43,303.44x = 64,959.29 × 12,138.60
  4. Step 4: Simplify right side
    43,303.44x = 788,514,837.59
  5. Step 5: Solve for x
    x = 788,514,837.59/43,303.44
  6. Step 6: Final answer
    x = 18,209.06

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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.