Home / 57,480.17-86,223.89-18,038.84

Finding the Fourth Proportional to 57,480.17, 86,223.89 and 18,038.84

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Solution

The fourth proportional to 57,480.17, 86,223.89 and 18,038.84 is: 27,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.17 : 86,223.89 = 18,038.84 : x
  2. Step 2: Convert to fraction form
    57,480.17/86,223.89 = 18,038.84/x
  3. Step 3: Cross multiply
    57,480.17x = 86,223.89 × 18,038.84
  4. Step 4: Simplify right side
    57,480.17x = 1,555,378,569.87
  5. Step 5: Solve for x
    x = 1,555,378,569.87/57,480.17
  6. Step 6: Final answer
    x = 27,059.40

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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.