Home / 46,635.40-69,927.45-31,861

Finding the Fourth Proportional to 46,635.40, 69,927.45 and 31,861

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Solution

The fourth proportional to 46,635.40, 69,927.45 and 31,861 is: 47,773.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,635.40 : 69,927.45 = 31,861 : x
  2. Step 2: Convert to fraction form
    46,635.40/69,927.45 = 31,861/x
  3. Step 3: Cross multiply
    46,635.40x = 69,927.45 × 31,861
  4. Step 4: Simplify right side
    46,635.40x = 2,227,958,484.45
  5. Step 5: Solve for x
    x = 2,227,958,484.45/46,635.40
  6. Step 6: Final answer
    x = 47,773.98

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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.