Home / 40,485.39-60,728.19-14,184.09

Finding the Fourth Proportional to 40,485.39, 60,728.19 and 14,184.09

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Solution

The fourth proportional to 40,485.39, 60,728.19 and 14,184.09 is: 21,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.39 : 60,728.19 = 14,184.09 : x
  2. Step 2: Convert to fraction form
    40,485.39/60,728.19 = 14,184.09/x
  3. Step 3: Cross multiply
    40,485.39x = 60,728.19 × 14,184.09
  4. Step 4: Simplify right side
    40,485.39x = 861,374,112.50
  5. Step 5: Solve for x
    x = 861,374,112.50/40,485.39
  6. Step 6: Final answer
    x = 21,276.17

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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.