Home / 30,407.57-45,610.35-13,767.60

Finding the Fourth Proportional to 30,407.57, 45,610.35 and 13,767.60

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Solution

The fourth proportional to 30,407.57, 45,610.35 and 13,767.60 is: 20,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407.57 : 45,610.35 = 13,767.60 : x
  2. Step 2: Convert to fraction form
    30,407.57/45,610.35 = 13,767.60/x
  3. Step 3: Cross multiply
    30,407.57x = 45,610.35 × 13,767.60
  4. Step 4: Simplify right side
    30,407.57x = 627,945,054.66
  5. Step 5: Solve for x
    x = 627,945,054.66/30,407.57
  6. Step 6: Final answer
    x = 20,650.94

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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.