Home / 45,355.21-62,620.73-40,560.28

Finding the Fourth Proportional to 45,355.21, 62,620.73 and 40,560.28

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Solution

The fourth proportional to 45,355.21, 62,620.73 and 40,560.28 is: 56,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,355.21 : 62,620.73 = 40,560.28 : x
  2. Step 2: Convert to fraction form
    45,355.21/62,620.73 = 40,560.28/x
  3. Step 3: Cross multiply
    45,355.21x = 62,620.73 × 40,560.28
  4. Step 4: Simplify right side
    45,355.21x = 2,539,914,135.35
  5. Step 5: Solve for x
    x = 2,539,914,135.35/45,355.21
  6. Step 6: Final answer
    x = 56,000.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.