Home / 30,884.06-42,618.90-17,455.02

Finding the Fourth Proportional to 30,884.06, 42,618.90 and 17,455.02

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Solution

The fourth proportional to 30,884.06, 42,618.90 and 17,455.02 is: 24,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.06 : 42,618.90 = 17,455.02 : x
  2. Step 2: Convert to fraction form
    30,884.06/42,618.90 = 17,455.02/x
  3. Step 3: Cross multiply
    30,884.06x = 42,618.90 × 17,455.02
  4. Step 4: Simplify right side
    30,884.06x = 743,913,751.88
  5. Step 5: Solve for x
    x = 743,913,751.88/30,884.06
  6. Step 6: Final answer
    x = 24,087.30

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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.