Home / 43,302.45-64,955.70-13,722.60

Finding the Fourth Proportional to 43,302.45, 64,955.70 and 13,722.60

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Solution

The fourth proportional to 43,302.45, 64,955.70 and 13,722.60 is: 20,584.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.45 : 64,955.70 = 13,722.60 : x
  2. Step 2: Convert to fraction form
    43,302.45/64,955.70 = 13,722.60/x
  3. Step 3: Cross multiply
    43,302.45x = 64,955.70 × 13,722.60
  4. Step 4: Simplify right side
    43,302.45x = 891,361,088.82
  5. Step 5: Solve for x
    x = 891,361,088.82/43,302.45
  6. Step 6: Final answer
    x = 20,584.54

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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.