Home / 43,030.76-64,553.64-13,441.04

Finding the Fourth Proportional to 43,030.76, 64,553.64 and 13,441.04

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Solution

The fourth proportional to 43,030.76, 64,553.64 and 13,441.04 is: 20,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.76 : 64,553.64 = 13,441.04 : x
  2. Step 2: Convert to fraction form
    43,030.76/64,553.64 = 13,441.04/x
  3. Step 3: Cross multiply
    43,030.76x = 64,553.64 × 13,441.04
  4. Step 4: Simplify right side
    43,030.76x = 867,668,057.39
  5. Step 5: Solve for x
    x = 867,668,057.39/43,030.76
  6. Step 6: Final answer
    x = 20,163.90

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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.