Home / 40,415.56-60,623.45-14,120.30

Finding the Fourth Proportional to 40,415.56, 60,623.45 and 14,120.30

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Solution

The fourth proportional to 40,415.56, 60,623.45 and 14,120.30 is: 21,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.56 : 60,623.45 = 14,120.30 : x
  2. Step 2: Convert to fraction form
    40,415.56/60,623.45 = 14,120.30/x
  3. Step 3: Cross multiply
    40,415.56x = 60,623.45 × 14,120.30
  4. Step 4: Simplify right side
    40,415.56x = 856,021,301.04
  5. Step 5: Solve for x
    x = 856,021,301.04/40,415.56
  6. Step 6: Final answer
    x = 21,180.49

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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.