Home / 67,321.02-100,977.87-20,570.25

Finding the Fourth Proportional to 67,321.02, 100,977.87 and 20,570.25

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Solution

The fourth proportional to 67,321.02, 100,977.87 and 20,570.25 is: 30,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,321.02 : 100,977.87 = 20,570.25 : x
  2. Step 2: Convert to fraction form
    67,321.02/100,977.87 = 20,570.25/x
  3. Step 3: Cross multiply
    67,321.02x = 100,977.87 × 20,570.25
  4. Step 4: Simplify right side
    67,321.02x = 2,077,140,030.37
  5. Step 5: Solve for x
    x = 2,077,140,030.37/67,321.02
  6. Step 6: Final answer
    x = 30,854.26

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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.