Home / 37,228.48-51,378.16-21,317.92

Finding the Fourth Proportional to 37,228.48, 51,378.16 and 21,317.92

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Solution

The fourth proportional to 37,228.48, 51,378.16 and 21,317.92 is: 29,420.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,228.48 : 51,378.16 = 21,317.92 : x
  2. Step 2: Convert to fraction form
    37,228.48/51,378.16 = 21,317.92/x
  3. Step 3: Cross multiply
    37,228.48x = 51,378.16 × 21,317.92
  4. Step 4: Simplify right side
    37,228.48x = 1,095,275,504.63
  5. Step 5: Solve for x
    x = 1,095,275,504.63/37,228.48
  6. Step 6: Final answer
    x = 29,420.37

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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.