Home / 40,276.24-60,406.80-13,975.60

Finding the Fourth Proportional to 40,276.24, 60,406.80 and 13,975.60

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Solution

The fourth proportional to 40,276.24, 60,406.80 and 13,975.60 is: 20,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,276.24 : 60,406.80 = 13,975.60 : x
  2. Step 2: Convert to fraction form
    40,276.24/60,406.80 = 13,975.60/x
  3. Step 3: Cross multiply
    40,276.24x = 60,406.80 × 13,975.60
  4. Step 4: Simplify right side
    40,276.24x = 844,221,274.08
  5. Step 5: Solve for x
    x = 844,221,274.08/40,276.24
  6. Step 6: Final answer
    x = 20,960.78

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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.