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Finding the Fourth Proportional to 29,246.80, 43,859.40 and 14,450.80

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Solution

The fourth proportional to 29,246.80, 43,859.40 and 14,450.80 is: 21,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,246.80 : 43,859.40 = 14,450.80 : x
  2. Step 2: Convert to fraction form
    29,246.80/43,859.40 = 14,450.80/x
  3. Step 3: Cross multiply
    29,246.80x = 43,859.40 × 14,450.80
  4. Step 4: Simplify right side
    29,246.80x = 633,803,417.52
  5. Step 5: Solve for x
    x = 633,803,417.52/29,246.80
  6. Step 6: Final answer
    x = 21,670.86

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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.