Home / 39,812.63-59,731.91-19,037.75

Finding the Fourth Proportional to 39,812.63, 59,731.91 and 19,037.75

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Solution

The fourth proportional to 39,812.63, 59,731.91 and 19,037.75 is: 28,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.63 : 59,731.91 = 19,037.75 : x
  2. Step 2: Convert to fraction form
    39,812.63/59,731.91 = 19,037.75/x
  3. Step 3: Cross multiply
    39,812.63x = 59,731.91 × 19,037.75
  4. Step 4: Simplify right side
    39,812.63x = 1,137,161,169.60
  5. Step 5: Solve for x
    x = 1,137,161,169.60/39,812.63
  6. Step 6: Final answer
    x = 28,562.82

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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.