Home / 30,702.74-42,367.50-17,091.29

Finding the Fourth Proportional to 30,702.74, 42,367.50 and 17,091.29

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Solution

The fourth proportional to 30,702.74, 42,367.50 and 17,091.29 is: 23,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.74 : 42,367.50 = 17,091.29 : x
  2. Step 2: Convert to fraction form
    30,702.74/42,367.50 = 17,091.29/x
  3. Step 3: Cross multiply
    30,702.74x = 42,367.50 × 17,091.29
  4. Step 4: Simplify right side
    30,702.74x = 724,115,017.24
  5. Step 5: Solve for x
    x = 724,115,017.24/30,702.74
  6. Step 6: Final answer
    x = 23,584.71

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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.