Home / 51,551.18-77,304.88-18,279.62

Finding the Fourth Proportional to 51,551.18, 77,304.88 and 18,279.62

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Solution

The fourth proportional to 51,551.18, 77,304.88 and 18,279.62 is: 27,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,551.18 : 77,304.88 = 18,279.62 : x
  2. Step 2: Convert to fraction form
    51,551.18/77,304.88 = 18,279.62/x
  3. Step 3: Cross multiply
    51,551.18x = 77,304.88 × 18,279.62
  4. Step 4: Simplify right side
    51,551.18x = 1,413,103,830.55
  5. Step 5: Solve for x
    x = 1,413,103,830.55/51,551.18
  6. Step 6: Final answer
    x = 27,411.67

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1.5x scale

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.