Home / 30,690.55-42,395.97-23,706.73

Finding the Fourth Proportional to 30,690.55, 42,395.97 and 23,706.73

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Solution

The fourth proportional to 30,690.55, 42,395.97 and 23,706.73 is: 32,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,690.55 : 42,395.97 = 23,706.73 : x
  2. Step 2: Convert to fraction form
    30,690.55/42,395.97 = 23,706.73/x
  3. Step 3: Cross multiply
    30,690.55x = 42,395.97 × 23,706.73
  4. Step 4: Simplify right side
    30,690.55x = 1,005,069,813.88
  5. Step 5: Solve for x
    x = 1,005,069,813.88/30,690.55
  6. Step 6: Final answer
    x = 32,748.51

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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.