Home / 43,268.45-64,913.63-13,284.22

Finding the Fourth Proportional to 43,268.45, 64,913.63 and 13,284.22

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Solution

The fourth proportional to 43,268.45, 64,913.63 and 13,284.22 is: 19,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.45 : 64,913.63 = 13,284.22 : x
  2. Step 2: Convert to fraction form
    43,268.45/64,913.63 = 13,284.22/x
  3. Step 3: Cross multiply
    43,268.45x = 64,913.63 × 13,284.22
  4. Step 4: Simplify right side
    43,268.45x = 862,326,812.85
  5. Step 5: Solve for x
    x = 862,326,812.85/43,268.45
  6. Step 6: Final answer
    x = 19,929.69

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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.