Home / 43,137.77-64,711.10-11,973.02

Finding the Fourth Proportional to 43,137.77, 64,711.10 and 11,973.02

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Solution

The fourth proportional to 43,137.77, 64,711.10 and 11,973.02 is: 17,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.77 : 64,711.10 = 11,973.02 : x
  2. Step 2: Convert to fraction form
    43,137.77/64,711.10 = 11,973.02/x
  3. Step 3: Cross multiply
    43,137.77x = 64,711.10 × 11,973.02
  4. Step 4: Simplify right side
    43,137.77x = 774,787,000.90
  5. Step 5: Solve for x
    x = 774,787,000.90/43,137.77
  6. Step 6: Final answer
    x = 17,960.76

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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.