Home / 30,299.63-45,452.55-11,595.40

Finding the Fourth Proportional to 30,299.63, 45,452.55 and 11,595.40

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Solution

The fourth proportional to 30,299.63, 45,452.55 and 11,595.40 is: 17,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.63 : 45,452.55 = 11,595.40 : x
  2. Step 2: Convert to fraction form
    30,299.63/45,452.55 = 11,595.40/x
  3. Step 3: Cross multiply
    30,299.63x = 45,452.55 × 11,595.40
  4. Step 4: Simplify right side
    30,299.63x = 527,040,527.26
  5. Step 5: Solve for x
    x = 527,040,527.26/30,299.63
  6. Step 6: Final answer
    x = 17,394.29

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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.