Home / 39,878.04-55,029.99-22,870.47

Finding the Fourth Proportional to 39,878.04, 55,029.99 and 22,870.47

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Solution

The fourth proportional to 39,878.04, 55,029.99 and 22,870.47 is: 31,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,878.04 : 55,029.99 = 22,870.47 : x
  2. Step 2: Convert to fraction form
    39,878.04/55,029.99 = 22,870.47/x
  3. Step 3: Cross multiply
    39,878.04x = 55,029.99 × 22,870.47
  4. Step 4: Simplify right side
    39,878.04x = 1,258,561,735.40
  5. Step 5: Solve for x
    x = 1,258,561,735.40/39,878.04
  6. Step 6: Final answer
    x = 31,560.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.