Home / 30,259.41-45,401.60-13,383.55

Finding the Fourth Proportional to 30,259.41, 45,401.60 and 13,383.55

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Solution

The fourth proportional to 30,259.41, 45,401.60 and 13,383.55 is: 20,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.41 : 45,401.60 = 13,383.55 : x
  2. Step 2: Convert to fraction form
    30,259.41/45,401.60 = 13,383.55/x
  3. Step 3: Cross multiply
    30,259.41x = 45,401.60 × 13,383.55
  4. Step 4: Simplify right side
    30,259.41x = 607,634,583.68
  5. Step 5: Solve for x
    x = 607,634,583.68/30,259.41
  6. Step 6: Final answer
    x = 20,080.85

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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.