Home / 30,412.13-45,625.48-9,635.63

Finding the Fourth Proportional to 30,412.13, 45,625.48 and 9,635.63

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Solution

The fourth proportional to 30,412.13, 45,625.48 and 9,635.63 is: 14,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.13 : 45,625.48 = 9,635.63 : x
  2. Step 2: Convert to fraction form
    30,412.13/45,625.48 = 9,635.63/x
  3. Step 3: Cross multiply
    30,412.13x = 45,625.48 × 9,635.63
  4. Step 4: Simplify right side
    30,412.13x = 439,629,991.64
  5. Step 5: Solve for x
    x = 439,629,991.64/30,412.13
  6. Step 6: Final answer
    x = 14,455.75

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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.