Home / 48,057.90-66,317.31-30,147.18

Finding the Fourth Proportional to 48,057.90, 66,317.31 and 30,147.18

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Solution

The fourth proportional to 48,057.90, 66,317.31 and 30,147.18 is: 41,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,057.90 : 66,317.31 = 30,147.18 : x
  2. Step 2: Convert to fraction form
    48,057.90/66,317.31 = 30,147.18/x
  3. Step 3: Cross multiply
    48,057.90x = 66,317.31 × 30,147.18
  4. Step 4: Simplify right side
    48,057.90x = 1,999,279,881.69
  5. Step 5: Solve for x
    x = 1,999,279,881.69/48,057.90
  6. Step 6: Final answer
    x = 41,601.48

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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.