Home / 30,158.53-41,618.88-16,729.74

Finding the Fourth Proportional to 30,158.53, 41,618.88 and 16,729.74

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Solution

The fourth proportional to 30,158.53, 41,618.88 and 16,729.74 is: 23,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.53 : 41,618.88 = 16,729.74 : x
  2. Step 2: Convert to fraction form
    30,158.53/41,618.88 = 16,729.74/x
  3. Step 3: Cross multiply
    30,158.53x = 41,618.88 × 16,729.74
  4. Step 4: Simplify right side
    30,158.53x = 696,273,041.49
  5. Step 5: Solve for x
    x = 696,273,041.49/30,158.53
  6. Step 6: Final answer
    x = 23,087.10

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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.