Home / 32,936.63-45,456.12-21,615.26

Finding the Fourth Proportional to 32,936.63, 45,456.12 and 21,615.26

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Solution

The fourth proportional to 32,936.63, 45,456.12 and 21,615.26 is: 29,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,936.63 : 45,456.12 = 21,615.26 : x
  2. Step 2: Convert to fraction form
    32,936.63/45,456.12 = 21,615.26/x
  3. Step 3: Cross multiply
    32,936.63x = 45,456.12 × 21,615.26
  4. Step 4: Simplify right side
    32,936.63x = 982,545,625.11
  5. Step 5: Solve for x
    x = 982,545,625.11/32,936.63
  6. Step 6: Final answer
    x = 29,831.40

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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.