Home / 43,302.36-64,955.34-13,719.54

Finding the Fourth Proportional to 43,302.36, 64,955.34 and 13,719.54

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Solution

The fourth proportional to 43,302.36, 64,955.34 and 13,719.54 is: 20,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.36 : 64,955.34 = 13,719.54 : x
  2. Step 2: Convert to fraction form
    43,302.36/64,955.34 = 13,719.54/x
  3. Step 3: Cross multiply
    43,302.36x = 64,955.34 × 13,719.54
  4. Step 4: Simplify right side
    43,302.36x = 891,157,385.34
  5. Step 5: Solve for x
    x = 891,157,385.34/43,302.36
  6. Step 6: Final answer
    x = 20,579.88

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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.