Home / 30,702.05-42,368.37-17,273.32

Finding the Fourth Proportional to 30,702.05, 42,368.37 and 17,273.32

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Solution

The fourth proportional to 30,702.05, 42,368.37 and 17,273.32 is: 23,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,702.05 : 42,368.37 = 17,273.32 : x
  2. Step 2: Convert to fraction form
    30,702.05/42,368.37 = 17,273.32/x
  3. Step 3: Cross multiply
    30,702.05x = 42,368.37 × 17,273.32
  4. Step 4: Simplify right side
    30,702.05x = 731,842,242.19
  5. Step 5: Solve for x
    x = 731,842,242.19/30,702.05
  6. Step 6: Final answer
    x = 23,836.92

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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.