Home / 30,802.38-42,507.23-17,373.59

Finding the Fourth Proportional to 30,802.38, 42,507.23 and 17,373.59

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Solution

The fourth proportional to 30,802.38, 42,507.23 and 17,373.59 is: 23,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802.38 : 42,507.23 = 17,373.59 : x
  2. Step 2: Convert to fraction form
    30,802.38/42,507.23 = 17,373.59/x
  3. Step 3: Cross multiply
    30,802.38x = 42,507.23 × 17,373.59
  4. Step 4: Simplify right side
    30,802.38x = 738,503,099.19
  5. Step 5: Solve for x
    x = 738,503,099.19/30,802.38
  6. Step 6: Final answer
    x = 23,975.52

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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.