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Finding the Fourth Proportional to 53,172.70, 73,379.87 and 29,300.91

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Solution

The fourth proportional to 53,172.70, 73,379.87 and 29,300.91 is: 40,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.70 : 73,379.87 = 29,300.91 : x
  2. Step 2: Convert to fraction form
    53,172.70/73,379.87 = 29,300.91/x
  3. Step 3: Cross multiply
    53,172.70x = 73,379.87 × 29,300.91
  4. Step 4: Simplify right side
    53,172.70x = 2,150,097,438.84
  5. Step 5: Solve for x
    x = 2,150,097,438.84/53,172.70
  6. Step 6: Final answer
    x = 40,436.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.