Home / 32,123.12-44,342.64-21,777.23

Finding the Fourth Proportional to 32,123.12, 44,342.64 and 21,777.23

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Solution

The fourth proportional to 32,123.12, 44,342.64 and 21,777.23 is: 30,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,123.12 : 44,342.64 = 21,777.23 : x
  2. Step 2: Convert to fraction form
    32,123.12/44,342.64 = 21,777.23/x
  3. Step 3: Cross multiply
    32,123.12x = 44,342.64 × 21,777.23
  4. Step 4: Simplify right side
    32,123.12x = 965,659,648.37
  5. Step 5: Solve for x
    x = 965,659,648.37/32,123.12
  6. Step 6: Final answer
    x = 30,061.21

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Double scale
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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.