Home / 51,548.43-77,334.95-18,271.40

Finding the Fourth Proportional to 51,548.43, 77,334.95 and 18,271.40

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Solution

The fourth proportional to 51,548.43, 77,334.95 and 18,271.40 is: 27,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.43 : 77,334.95 = 18,271.40 : x
  2. Step 2: Convert to fraction form
    51,548.43/77,334.95 = 18,271.40/x
  3. Step 3: Cross multiply
    51,548.43x = 77,334.95 × 18,271.40
  4. Step 4: Simplify right side
    51,548.43x = 1,413,017,805.43
  5. Step 5: Solve for x
    x = 1,413,017,805.43/51,548.43
  6. Step 6: Final answer
    x = 27,411.46

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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.