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Finding the Fourth Proportional to 36,060.90, 49,764.90 and 19,928.22

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Solution

The fourth proportional to 36,060.90, 49,764.90 and 19,928.22 is: 27,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,060.90 : 49,764.90 = 19,928.22 : x
  2. Step 2: Convert to fraction form
    36,060.90/49,764.90 = 19,928.22/x
  3. Step 3: Cross multiply
    36,060.90x = 49,764.90 × 19,928.22
  4. Step 4: Simplify right side
    36,060.90x = 991,725,875.48
  5. Step 5: Solve for x
    x = 991,725,875.48/36,060.90
  6. Step 6: Final answer
    x = 27,501.42

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1.5x scale

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.