Home / 50,847.62-70,172.06-28,187.10

Finding the Fourth Proportional to 50,847.62, 70,172.06 and 28,187.10

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Solution

The fourth proportional to 50,847.62, 70,172.06 and 28,187.10 is: 38,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,847.62 : 70,172.06 = 28,187.10 : x
  2. Step 2: Convert to fraction form
    50,847.62/70,172.06 = 28,187.10/x
  3. Step 3: Cross multiply
    50,847.62x = 70,172.06 × 28,187.10
  4. Step 4: Simplify right side
    50,847.62x = 1,977,946,731.49
  5. Step 5: Solve for x
    x = 1,977,946,731.49/50,847.62
  6. Step 6: Final answer
    x = 38,899.50

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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.