Home / 45,589.05-68,376.74-14,420.25

Finding the Fourth Proportional to 45,589.05, 68,376.74 and 14,420.25

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Solution

The fourth proportional to 45,589.05, 68,376.74 and 14,420.25 is: 21,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,589.05 : 68,376.74 = 14,420.25 : x
  2. Step 2: Convert to fraction form
    45,589.05/68,376.74 = 14,420.25/x
  3. Step 3: Cross multiply
    45,589.05x = 68,376.74 × 14,420.25
  4. Step 4: Simplify right side
    45,589.05x = 986,009,612.88
  5. Step 5: Solve for x
    x = 986,009,612.88/45,589.05
  6. Step 6: Final answer
    x = 21,628.21

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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.