Home / 40,533.89-60,802.56-12,455.03

Finding the Fourth Proportional to 40,533.89, 60,802.56 and 12,455.03

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Solution

The fourth proportional to 40,533.89, 60,802.56 and 12,455.03 is: 18,683.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,533.89 : 60,802.56 = 12,455.03 : x
  2. Step 2: Convert to fraction form
    40,533.89/60,802.56 = 12,455.03/x
  3. Step 3: Cross multiply
    40,533.89x = 60,802.56 × 12,455.03
  4. Step 4: Simplify right side
    40,533.89x = 757,297,860.88
  5. Step 5: Solve for x
    x = 757,297,860.88/40,533.89
  6. Step 6: Final answer
    x = 18,683.08

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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.