Home / 70,841.20-106,261.62-18,246.28

Finding the Fourth Proportional to 70,841.20, 106,261.62 and 18,246.28

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Solution

The fourth proportional to 70,841.20, 106,261.62 and 18,246.28 is: 27,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,841.20 : 106,261.62 = 18,246.28 : x
  2. Step 2: Convert to fraction form
    70,841.20/106,261.62 = 18,246.28/x
  3. Step 3: Cross multiply
    70,841.20x = 106,261.62 × 18,246.28
  4. Step 4: Simplify right side
    70,841.20x = 1,938,879,271.77
  5. Step 5: Solve for x
    x = 1,938,879,271.77/70,841.20
  6. Step 6: Final answer
    x = 27,369.37

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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.