Home / 57,020.16-85,508.98-19,569.61

Finding the Fourth Proportional to 57,020.16, 85,508.98 and 19,569.61

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Solution

The fourth proportional to 57,020.16, 85,508.98 and 19,569.61 is: 29,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.16 : 85,508.98 = 19,569.61 : x
  2. Step 2: Convert to fraction form
    57,020.16/85,508.98 = 19,569.61/x
  3. Step 3: Cross multiply
    57,020.16x = 85,508.98 × 19,569.61
  4. Step 4: Simplify right side
    57,020.16x = 1,673,377,448.06
  5. Step 5: Solve for x
    x = 1,673,377,448.06/57,020.16
  6. Step 6: Final answer
    x = 29,347.12

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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.