Home / 45,920.13-63,372.61-30,580.37

Finding the Fourth Proportional to 45,920.13, 63,372.61 and 30,580.37

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Solution

The fourth proportional to 45,920.13, 63,372.61 and 30,580.37 is: 42,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.13 : 63,372.61 = 30,580.37 : x
  2. Step 2: Convert to fraction form
    45,920.13/63,372.61 = 30,580.37/x
  3. Step 3: Cross multiply
    45,920.13x = 63,372.61 × 30,580.37
  4. Step 4: Simplify right side
    45,920.13x = 1,937,958,058.32
  5. Step 5: Solve for x
    x = 1,937,958,058.32/45,920.13
  6. Step 6: Final answer
    x = 42,202.80

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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.