Home / 30,452.55-45,673.25-13,808.56

Finding the Fourth Proportional to 30,452.55, 45,673.25 and 13,808.56

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Solution

The fourth proportional to 30,452.55, 45,673.25 and 13,808.56 is: 20,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452.55 : 45,673.25 = 13,808.56 : x
  2. Step 2: Convert to fraction form
    30,452.55/45,673.25 = 13,808.56/x
  3. Step 3: Cross multiply
    30,452.55x = 45,673.25 × 13,808.56
  4. Step 4: Simplify right side
    30,452.55x = 630,681,813.02
  5. Step 5: Solve for x
    x = 630,681,813.02/30,452.55
  6. Step 6: Final answer
    x = 20,710.31

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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.