Home / 40,379.02-55,786.25-30,852.25

Finding the Fourth Proportional to 40,379.02, 55,786.25 and 30,852.25

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Solution

The fourth proportional to 40,379.02, 55,786.25 and 30,852.25 is: 42,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,379.02 : 55,786.25 = 30,852.25 : x
  2. Step 2: Convert to fraction form
    40,379.02/55,786.25 = 30,852.25/x
  3. Step 3: Cross multiply
    40,379.02x = 55,786.25 × 30,852.25
  4. Step 4: Simplify right side
    40,379.02x = 1,721,131,177.30
  5. Step 5: Solve for x
    x = 1,721,131,177.30/40,379.02
  6. Step 6: Final answer
    x = 42,624.39

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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.