Home / 48,631.14-72,946.64-19,028.20

Finding the Fourth Proportional to 48,631.14, 72,946.64 and 19,028.20

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Solution

The fourth proportional to 48,631.14, 72,946.64 and 19,028.20 is: 28,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.14 : 72,946.64 = 19,028.20 : x
  2. Step 2: Convert to fraction form
    48,631.14/72,946.64 = 19,028.20/x
  3. Step 3: Cross multiply
    48,631.14x = 72,946.64 × 19,028.20
  4. Step 4: Simplify right side
    48,631.14x = 1,388,043,255.25
  5. Step 5: Solve for x
    x = 1,388,043,255.25/48,631.14
  6. Step 6: Final answer
    x = 28,542.27

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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.