Home / 40,827.63-61,243.73-12,751.56

Finding the Fourth Proportional to 40,827.63, 61,243.73 and 12,751.56

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Solution

The fourth proportional to 40,827.63, 61,243.73 and 12,751.56 is: 19,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.63 : 61,243.73 = 12,751.56 : x
  2. Step 2: Convert to fraction form
    40,827.63/61,243.73 = 12,751.56/x
  3. Step 3: Cross multiply
    40,827.63x = 61,243.73 × 12,751.56
  4. Step 4: Simplify right side
    40,827.63x = 780,953,033.96
  5. Step 5: Solve for x
    x = 780,953,033.96/40,827.63
  6. Step 6: Final answer
    x = 19,128.05

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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.