Home / 67,646.81-101,441.67-20,268.63

Finding the Fourth Proportional to 67,646.81, 101,441.67 and 20,268.63

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Solution

The fourth proportional to 67,646.81, 101,441.67 and 20,268.63 is: 30,394.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,646.81 : 101,441.67 = 20,268.63 : x
  2. Step 2: Convert to fraction form
    67,646.81/101,441.67 = 20,268.63/x
  3. Step 3: Cross multiply
    67,646.81x = 101,441.67 × 20,268.63
  4. Step 4: Simplify right side
    67,646.81x = 2,056,083,675.81
  5. Step 5: Solve for x
    x = 2,056,083,675.81/67,646.81
  6. Step 6: Final answer
    x = 30,394.39

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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.