Home / 40,214.40-60,336.24-13,921.80

Finding the Fourth Proportional to 40,214.40, 60,336.24 and 13,921.80

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Solution

The fourth proportional to 40,214.40, 60,336.24 and 13,921.80 is: 20,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214.40 : 60,336.24 = 13,921.80 : x
  2. Step 2: Convert to fraction form
    40,214.40/60,336.24 = 13,921.80/x
  3. Step 3: Cross multiply
    40,214.40x = 60,336.24 × 13,921.80
  4. Step 4: Simplify right side
    40,214.40x = 839,989,066.03
  5. Step 5: Solve for x
    x = 839,989,066.03/40,214.40
  6. Step 6: Final answer
    x = 20,887.77

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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.