Home / 32,190.48-44,438.45-21,453.26

Finding the Fourth Proportional to 32,190.48, 44,438.45 and 21,453.26

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Solution

The fourth proportional to 32,190.48, 44,438.45 and 21,453.26 is: 29,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,190.48 : 44,438.45 = 21,453.26 : x
  2. Step 2: Convert to fraction form
    32,190.48/44,438.45 = 21,453.26/x
  3. Step 3: Cross multiply
    32,190.48x = 44,438.45 × 21,453.26
  4. Step 4: Simplify right side
    32,190.48x = 953,349,292.39
  5. Step 5: Solve for x
    x = 953,349,292.39/32,190.48
  6. Step 6: Final answer
    x = 29,615.88

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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.