Home / 30,435.68-42,000.44-17,007.03

Finding the Fourth Proportional to 30,435.68, 42,000.44 and 17,007.03

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Solution

The fourth proportional to 30,435.68, 42,000.44 and 17,007.03 is: 23,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.68 : 42,000.44 = 17,007.03 : x
  2. Step 2: Convert to fraction form
    30,435.68/42,000.44 = 17,007.03/x
  3. Step 3: Cross multiply
    30,435.68x = 42,000.44 × 17,007.03
  4. Step 4: Simplify right side
    30,435.68x = 714,302,533.09
  5. Step 5: Solve for x
    x = 714,302,533.09/30,435.68
  6. Step 6: Final answer
    x = 23,469.25

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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.