Home / 39,942.48-55,108.44-23,172.24

Finding the Fourth Proportional to 39,942.48, 55,108.44 and 23,172.24

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Solution

The fourth proportional to 39,942.48, 55,108.44 and 23,172.24 is: 31,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.48 : 55,108.44 = 23,172.24 : x
  2. Step 2: Convert to fraction form
    39,942.48/55,108.44 = 23,172.24/x
  3. Step 3: Cross multiply
    39,942.48x = 55,108.44 × 23,172.24
  4. Step 4: Simplify right side
    39,942.48x = 1,276,985,997.71
  5. Step 5: Solve for x
    x = 1,276,985,997.71/39,942.48
  6. Step 6: Final answer
    x = 31,970.62

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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.