Home / 57,020.67-85,509.73-19,570.11

Finding the Fourth Proportional to 57,020.67, 85,509.73 and 19,570.11

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Solution

The fourth proportional to 57,020.67, 85,509.73 and 19,570.11 is: 29,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.67 : 85,509.73 = 19,570.11 : x
  2. Step 2: Convert to fraction form
    57,020.67/85,509.73 = 19,570.11/x
  3. Step 3: Cross multiply
    57,020.67x = 85,509.73 × 19,570.11
  4. Step 4: Simplify right side
    57,020.67x = 1,673,434,724.32
  5. Step 5: Solve for x
    x = 1,673,434,724.32/57,020.67
  6. Step 6: Final answer
    x = 29,347.86

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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.