Home / 57,017.90-85,466.37-21,942.38

Finding the Fourth Proportional to 57,017.90, 85,466.37 and 21,942.38

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Solution

The fourth proportional to 57,017.90, 85,466.37 and 21,942.38 is: 32,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.90 : 85,466.37 = 21,942.38 : x
  2. Step 2: Convert to fraction form
    57,017.90/85,466.37 = 21,942.38/x
  3. Step 3: Cross multiply
    57,017.90x = 85,466.37 × 21,942.38
  4. Step 4: Simplify right side
    57,017.90x = 1,875,335,567.76
  5. Step 5: Solve for x
    x = 1,875,335,567.76/57,017.90
  6. Step 6: Final answer
    x = 32,890.30

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1.5x scale

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.