Home / 32,932.07-45,433.85-21,607.81

Finding the Fourth Proportional to 32,932.07, 45,433.85 and 21,607.81

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Solution

The fourth proportional to 32,932.07, 45,433.85 and 21,607.81 is: 29,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,932.07 : 45,433.85 = 21,607.81 : x
  2. Step 2: Convert to fraction form
    32,932.07/45,433.85 = 21,607.81/x
  3. Step 3: Cross multiply
    32,932.07x = 45,433.85 × 21,607.81
  4. Step 4: Simplify right side
    32,932.07x = 981,725,663.16
  5. Step 5: Solve for x
    x = 981,725,663.16/32,932.07
  6. Step 6: Final answer
    x = 29,810.63

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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.