Home / 30,382.19-45,485.02-17,693.25

Finding the Fourth Proportional to 30,382.19, 45,485.02 and 17,693.25

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Solution

The fourth proportional to 30,382.19, 45,485.02 and 17,693.25 is: 26,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.19 : 45,485.02 = 17,693.25 : x
  2. Step 2: Convert to fraction form
    30,382.19/45,485.02 = 17,693.25/x
  3. Step 3: Cross multiply
    30,382.19x = 45,485.02 × 17,693.25
  4. Step 4: Simplify right side
    30,382.19x = 804,777,741.65
  5. Step 5: Solve for x
    x = 804,777,741.65/30,382.19
  6. Step 6: Final answer
    x = 26,488.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.