Home / 30,302.20-45,462.26-13,667.32

Finding the Fourth Proportional to 30,302.20, 45,462.26 and 13,667.32

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Solution

The fourth proportional to 30,302.20, 45,462.26 and 13,667.32 is: 20,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.20 : 45,462.26 = 13,667.32 : x
  2. Step 2: Convert to fraction form
    30,302.20/45,462.26 = 13,667.32/x
  3. Step 3: Cross multiply
    30,302.20x = 45,462.26 × 13,667.32
  4. Step 4: Simplify right side
    30,302.20x = 621,347,255.34
  5. Step 5: Solve for x
    x = 621,347,255.34/30,302.20
  6. Step 6: Final answer
    x = 20,505.02

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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.