Home / 30,702.40-42,369.26-17,273.66

Finding the Fourth Proportional to 30,702.40, 42,369.26 and 17,273.66

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Solution

The fourth proportional to 30,702.40, 42,369.26 and 17,273.66 is: 23,837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.40 : 42,369.26 = 17,273.66 : x
  2. Step 2: Convert to fraction form
    30,702.40/42,369.26 = 17,273.66/x
  3. Step 3: Cross multiply
    30,702.40x = 42,369.26 × 17,273.66
  4. Step 4: Simplify right side
    30,702.40x = 731,872,191.69
  5. Step 5: Solve for x
    x = 731,872,191.69/30,702.40
  6. Step 6: Final answer
    x = 23,837.62

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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.