Home / 40,493.53-60,740.31-20,759.50

Finding the Fourth Proportional to 40,493.53, 60,740.31 and 20,759.50

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Solution

The fourth proportional to 40,493.53, 60,740.31 and 20,759.50 is: 31,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.53 : 60,740.31 = 20,759.50 : x
  2. Step 2: Convert to fraction form
    40,493.53/60,740.31 = 20,759.50/x
  3. Step 3: Cross multiply
    40,493.53x = 60,740.31 × 20,759.50
  4. Step 4: Simplify right side
    40,493.53x = 1,260,938,529.48
  5. Step 5: Solve for x
    x = 1,260,938,529.48/40,493.53
  6. Step 6: Final answer
    x = 31,139.26

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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.