Home / 55,964.20-83,946.30-19,028.20

Finding the Fourth Proportional to 55,964.20, 83,946.30 and 19,028.20

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Solution

The fourth proportional to 55,964.20, 83,946.30 and 19,028.20 is: 28,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.20 : 83,946.30 = 19,028.20 : x
  2. Step 2: Convert to fraction form
    55,964.20/83,946.30 = 19,028.20/x
  3. Step 3: Cross multiply
    55,964.20x = 83,946.30 × 19,028.20
  4. Step 4: Simplify right side
    55,964.20x = 1,597,346,985.66
  5. Step 5: Solve for x
    x = 1,597,346,985.66/55,964.20
  6. Step 6: Final answer
    x = 28,542.30

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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.