Home / 43,144.47-64,719.50-13,563.45

Finding the Fourth Proportional to 43,144.47, 64,719.50 and 13,563.45

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Solution

The fourth proportional to 43,144.47, 64,719.50 and 13,563.45 is: 20,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.47 : 64,719.50 = 13,563.45 : x
  2. Step 2: Convert to fraction form
    43,144.47/64,719.50 = 13,563.45/x
  3. Step 3: Cross multiply
    43,144.47x = 64,719.50 × 13,563.45
  4. Step 4: Simplify right side
    43,144.47x = 877,819,634.46
  5. Step 5: Solve for x
    x = 877,819,634.46/43,144.47
  6. Step 6: Final answer
    x = 20,346.05

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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.