Home / 30,698.57-42,366.48-17,269.02

Finding the Fourth Proportional to 30,698.57, 42,366.48 and 17,269.02

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Solution

The fourth proportional to 30,698.57, 42,366.48 and 17,269.02 is: 23,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.57 : 42,366.48 = 17,269.02 : x
  2. Step 2: Convert to fraction form
    30,698.57/42,366.48 = 17,269.02/x
  3. Step 3: Cross multiply
    30,698.57x = 42,366.48 × 17,269.02
  4. Step 4: Simplify right side
    30,698.57x = 731,627,590.45
  5. Step 5: Solve for x
    x = 731,627,590.45/30,698.57
  6. Step 6: Final answer
    x = 23,832.63

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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.