Home / 43,243.35-64,858.95-13,664.18

Finding the Fourth Proportional to 43,243.35, 64,858.95 and 13,664.18

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Solution

The fourth proportional to 43,243.35, 64,858.95 and 13,664.18 is: 20,494.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.35 : 64,858.95 = 13,664.18 : x
  2. Step 2: Convert to fraction form
    43,243.35/64,858.95 = 13,664.18/x
  3. Step 3: Cross multiply
    43,243.35x = 64,858.95 × 13,664.18
  4. Step 4: Simplify right side
    43,243.35x = 886,244,043.12
  5. Step 5: Solve for x
    x = 886,244,043.12/43,243.35
  6. Step 6: Final answer
    x = 20,494.34

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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.