Home / 36,879.59-55,221.03-19,312.58

Finding the Fourth Proportional to 36,879.59, 55,221.03 and 19,312.58

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Solution

The fourth proportional to 36,879.59, 55,221.03 and 19,312.58 is: 28,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,879.59 : 55,221.03 = 19,312.58 : x
  2. Step 2: Convert to fraction form
    36,879.59/55,221.03 = 19,312.58/x
  3. Step 3: Cross multiply
    36,879.59x = 55,221.03 × 19,312.58
  4. Step 4: Simplify right side
    36,879.59x = 1,066,460,283.45
  5. Step 5: Solve for x
    x = 1,066,460,283.45/36,879.59
  6. Step 6: Final answer
    x = 28,917.36

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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.