Home / 36,878.40-55,352.16-19,360.80

Finding the Fourth Proportional to 36,878.40, 55,352.16 and 19,360.80

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Solution

The fourth proportional to 36,878.40, 55,352.16 and 19,360.80 is: 29,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,878.40 : 55,352.16 = 19,360.80 : x
  2. Step 2: Convert to fraction form
    36,878.40/55,352.16 = 19,360.80/x
  3. Step 3: Cross multiply
    36,878.40x = 55,352.16 × 19,360.80
  4. Step 4: Simplify right side
    36,878.40x = 1,071,662,099.33
  5. Step 5: Solve for x
    x = 1,071,662,099.33/36,878.40
  6. Step 6: Final answer
    x = 29,059.34

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1.5x scale

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.