Home / 30,261.85-45,400.06-9,485.35

Finding the Fourth Proportional to 30,261.85, 45,400.06 and 9,485.35

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Solution

The fourth proportional to 30,261.85, 45,400.06 and 9,485.35 is: 14,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.85 : 45,400.06 = 9,485.35 : x
  2. Step 2: Convert to fraction form
    30,261.85/45,400.06 = 9,485.35/x
  3. Step 3: Cross multiply
    30,261.85x = 45,400.06 × 9,485.35
  4. Step 4: Simplify right side
    30,261.85x = 430,635,321.91
  5. Step 5: Solve for x
    x = 430,635,321.91/30,261.85
  6. Step 6: Final answer
    x = 14,230.31

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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.