Home / 20,041.94-30,070.06-8,947.64

Finding the Fourth Proportional to 20,041.94, 30,070.06 and 8,947.64

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Solution

The fourth proportional to 20,041.94, 30,070.06 and 8,947.64 is: 13,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.94 : 30,070.06 = 8,947.64 : x
  2. Step 2: Convert to fraction form
    20,041.94/30,070.06 = 8,947.64/x
  3. Step 3: Cross multiply
    20,041.94x = 30,070.06 × 8,947.64
  4. Step 4: Simplify right side
    20,041.94x = 269,056,071.66
  5. Step 5: Solve for x
    x = 269,056,071.66/20,041.94
  6. Step 6: Final answer
    x = 13,424.65

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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.