Home / 40,746.44-61,120.94-12,666.64

Finding the Fourth Proportional to 40,746.44, 61,120.94 and 12,666.64

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Solution

The fourth proportional to 40,746.44, 61,120.94 and 12,666.64 is: 19,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.44 : 61,120.94 = 12,666.64 : x
  2. Step 2: Convert to fraction form
    40,746.44/61,120.94 = 12,666.64/x
  3. Step 3: Cross multiply
    40,746.44x = 61,120.94 × 12,666.64
  4. Step 4: Simplify right side
    40,746.44x = 774,196,943.44
  5. Step 5: Solve for x
    x = 774,196,943.44/40,746.44
  6. Step 6: Final answer
    x = 19,000.36

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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.