Home / 32,215.79-44,459.29-20,123.43

Finding the Fourth Proportional to 32,215.79, 44,459.29 and 20,123.43

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Solution

The fourth proportional to 32,215.79, 44,459.29 and 20,123.43 is: 27,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,215.79 : 44,459.29 = 20,123.43 : x
  2. Step 2: Convert to fraction form
    32,215.79/44,459.29 = 20,123.43/x
  3. Step 3: Cross multiply
    32,215.79x = 44,459.29 × 20,123.43
  4. Step 4: Simplify right side
    32,215.79x = 894,673,410.16
  5. Step 5: Solve for x
    x = 894,673,410.16/32,215.79
  6. Step 6: Final answer
    x = 27,771.27

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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.