Home / 55,971.75-77,241.02-30,821.25

Finding the Fourth Proportional to 55,971.75, 77,241.02 and 30,821.25

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Solution

The fourth proportional to 55,971.75, 77,241.02 and 30,821.25 is: 42,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,971.75 : 77,241.02 = 30,821.25 : x
  2. Step 2: Convert to fraction form
    55,971.75/77,241.02 = 30,821.25/x
  3. Step 3: Cross multiply
    55,971.75x = 77,241.02 × 30,821.25
  4. Step 4: Simplify right side
    55,971.75x = 2,380,664,633.57
  5. Step 5: Solve for x
    x = 2,380,664,633.57/55,971.75
  6. Step 6: Final answer
    x = 42,533.33

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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.