Home / 51,956.49-77,915.60-18,667.65

Finding the Fourth Proportional to 51,956.49, 77,915.60 and 18,667.65

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Solution

The fourth proportional to 51,956.49, 77,915.60 and 18,667.65 is: 27,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,956.49 : 77,915.60 = 18,667.65 : x
  2. Step 2: Convert to fraction form
    51,956.49/77,915.60 = 18,667.65/x
  3. Step 3: Cross multiply
    51,956.49x = 77,915.60 × 18,667.65
  4. Step 4: Simplify right side
    51,956.49x = 1,454,501,150.34
  5. Step 5: Solve for x
    x = 1,454,501,150.34/51,956.49
  6. Step 6: Final answer
    x = 27,994.60

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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.