Home / 30,406.12-45,610.46-9,629.16

Finding the Fourth Proportional to 30,406.12, 45,610.46 and 9,629.16

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Solution

The fourth proportional to 30,406.12, 45,610.46 and 9,629.16 is: 14,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.12 : 45,610.46 = 9,629.16 : x
  2. Step 2: Convert to fraction form
    30,406.12/45,610.46 = 9,629.16/x
  3. Step 3: Cross multiply
    30,406.12x = 45,610.46 × 9,629.16
  4. Step 4: Simplify right side
    30,406.12x = 439,190,417.01
  5. Step 5: Solve for x
    x = 439,190,417.01/30,406.12
  6. Step 6: Final answer
    x = 14,444.15

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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.