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Finding the Fourth Proportional to 57,337.16, 85,971.68 and 21,801.08

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Solution

The fourth proportional to 57,337.16, 85,971.68 and 21,801.08 is: 32,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,337.16 : 85,971.68 = 21,801.08 : x
  2. Step 2: Convert to fraction form
    57,337.16/85,971.68 = 21,801.08/x
  3. Step 3: Cross multiply
    57,337.16x = 85,971.68 × 21,801.08
  4. Step 4: Simplify right side
    57,337.16x = 1,874,275,661.09
  5. Step 5: Solve for x
    x = 1,874,275,661.09/57,337.16
  6. Step 6: Final answer
    x = 32,688.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.