Home / 39,272.78-58,921.49-12,995.98

Finding the Fourth Proportional to 39,272.78, 58,921.49 and 12,995.98

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Solution

The fourth proportional to 39,272.78, 58,921.49 and 12,995.98 is: 19,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.78 : 58,921.49 = 12,995.98 : x
  2. Step 2: Convert to fraction form
    39,272.78/58,921.49 = 12,995.98/x
  3. Step 3: Cross multiply
    39,272.78x = 58,921.49 × 12,995.98
  4. Step 4: Simplify right side
    39,272.78x = 765,742,390.80
  5. Step 5: Solve for x
    x = 765,742,390.80/39,272.78
  6. Step 6: Final answer
    x = 19,498.04

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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.