Home / 30,265.22-45,397.44-13,613.48

Finding the Fourth Proportional to 30,265.22, 45,397.44 and 13,613.48

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Solution

The fourth proportional to 30,265.22, 45,397.44 and 13,613.48 is: 20,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.22 : 45,397.44 = 13,613.48 : x
  2. Step 2: Convert to fraction form
    30,265.22/45,397.44 = 13,613.48/x
  3. Step 3: Cross multiply
    30,265.22x = 45,397.44 × 13,613.48
  4. Step 4: Simplify right side
    30,265.22x = 618,017,141.49
  5. Step 5: Solve for x
    x = 618,017,141.49/30,265.22
  6. Step 6: Final answer
    x = 20,420.04

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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.