Home / 48,536-66,980.40-29,669.12

Finding the Fourth Proportional to 48,536, 66,980.40 and 29,669.12

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Solution

The fourth proportional to 48,536, 66,980.40 and 29,669.12 is: 40,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,536 : 66,980.40 = 29,669.12 : x
  2. Step 2: Convert to fraction form
    48,536/66,980.40 = 29,669.12/x
  3. Step 3: Cross multiply
    48,536x = 66,980.40 × 29,669.12
  4. Step 4: Simplify right side
    48,536x = 1,987,249,525.25
  5. Step 5: Solve for x
    x = 1,987,249,525.25/48,536
  6. Step 6: Final answer
    x = 40,943.83

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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.