Home / 30,261.66-45,399.77-9,485.16

Finding the Fourth Proportional to 30,261.66, 45,399.77 and 9,485.16

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Solution

The fourth proportional to 30,261.66, 45,399.77 and 9,485.16 is: 14,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.66 : 45,399.77 = 9,485.16 : x
  2. Step 2: Convert to fraction form
    30,261.66/45,399.77 = 9,485.16/x
  3. Step 3: Cross multiply
    30,261.66x = 45,399.77 × 9,485.16
  4. Step 4: Simplify right side
    30,261.66x = 430,623,953.66
  5. Step 5: Solve for x
    x = 430,623,953.66/30,261.66
  6. Step 6: Final answer
    x = 14,230.02

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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.