Home / 57,281.72-85,916.21-17,835.53

Finding the Fourth Proportional to 57,281.72, 85,916.21 and 17,835.53

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Solution

The fourth proportional to 57,281.72, 85,916.21 and 17,835.53 is: 26,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,281.72 : 85,916.21 = 17,835.53 : x
  2. Step 2: Convert to fraction form
    57,281.72/85,916.21 = 17,835.53/x
  3. Step 3: Cross multiply
    57,281.72x = 85,916.21 × 17,835.53
  4. Step 4: Simplify right side
    57,281.72x = 1,532,360,622.18
  5. Step 5: Solve for x
    x = 1,532,360,622.18/57,281.72
  6. Step 6: Final answer
    x = 26,751.30

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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.