Home / 30,702.53-42,369.03-17,273.76

Finding the Fourth Proportional to 30,702.53, 42,369.03 and 17,273.76

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Solution

The fourth proportional to 30,702.53, 42,369.03 and 17,273.76 is: 23,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.53 : 42,369.03 = 17,273.76 : x
  2. Step 2: Convert to fraction form
    30,702.53/42,369.03 = 17,273.76/x
  3. Step 3: Cross multiply
    30,702.53x = 42,369.03 × 17,273.76
  4. Step 4: Simplify right side
    30,702.53x = 731,872,455.65
  5. Step 5: Solve for x
    x = 731,872,455.65/30,702.53
  6. Step 6: Final answer
    x = 23,837.53

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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.