Home / 55,968.12-83,980.62-31,003.20

Finding the Fourth Proportional to 55,968.12, 83,980.62 and 31,003.20

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Solution

The fourth proportional to 55,968.12, 83,980.62 and 31,003.20 is: 46,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,968.12 : 83,980.62 = 31,003.20 : x
  2. Step 2: Convert to fraction form
    55,968.12/83,980.62 = 31,003.20/x
  3. Step 3: Cross multiply
    55,968.12x = 83,980.62 × 31,003.20
  4. Step 4: Simplify right side
    55,968.12x = 2,603,667,957.98
  5. Step 5: Solve for x
    x = 2,603,667,957.98/55,968.12
  6. Step 6: Final answer
    x = 46,520.55

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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.