Home / 40,485.26-60,729.71-12,403.26

Finding the Fourth Proportional to 40,485.26, 60,729.71 and 12,403.26

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Solution

The fourth proportional to 40,485.26, 60,729.71 and 12,403.26 is: 18,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.26 : 60,729.71 = 12,403.26 : x
  2. Step 2: Convert to fraction form
    40,485.26/60,729.71 = 12,403.26/x
  3. Step 3: Cross multiply
    40,485.26x = 60,729.71 × 12,403.26
  4. Step 4: Simplify right side
    40,485.26x = 753,246,320.84
  5. Step 5: Solve for x
    x = 753,246,320.84/40,485.26
  6. Step 6: Final answer
    x = 18,605.45

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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.