Home / 34,557.64-51,861.66-13,787.08

Finding the Fourth Proportional to 34,557.64, 51,861.66 and 13,787.08

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Solution

The fourth proportional to 34,557.64, 51,861.66 and 13,787.08 is: 20,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,557.64 : 51,861.66 = 13,787.08 : x
  2. Step 2: Convert to fraction form
    34,557.64/51,861.66 = 13,787.08/x
  3. Step 3: Cross multiply
    34,557.64x = 51,861.66 × 13,787.08
  4. Step 4: Simplify right side
    34,557.64x = 715,020,855.35
  5. Step 5: Solve for x
    x = 715,020,855.35/34,557.64
  6. Step 6: Final answer
    x = 20,690.67

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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.