Home / 52,038.46-78,061.16-18,300.43

Finding the Fourth Proportional to 52,038.46, 78,061.16 and 18,300.43

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Solution

The fourth proportional to 52,038.46, 78,061.16 and 18,300.43 is: 27,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,038.46 : 78,061.16 = 18,300.43 : x
  2. Step 2: Convert to fraction form
    52,038.46/78,061.16 = 18,300.43/x
  3. Step 3: Cross multiply
    52,038.46x = 78,061.16 × 18,300.43
  4. Step 4: Simplify right side
    52,038.46x = 1,428,552,644.90
  5. Step 5: Solve for x
    x = 1,428,552,644.90/52,038.46
  6. Step 6: Final answer
    x = 27,451.86

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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.