Home / 40,172.99-55,440.54-22,946.87

Finding the Fourth Proportional to 40,172.99, 55,440.54 and 22,946.87

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Solution

The fourth proportional to 40,172.99, 55,440.54 and 22,946.87 is: 31,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.99 : 55,440.54 = 22,946.87 : x
  2. Step 2: Convert to fraction form
    40,172.99/55,440.54 = 22,946.87/x
  3. Step 3: Cross multiply
    40,172.99x = 55,440.54 × 22,946.87
  4. Step 4: Simplify right side
    40,172.99x = 1,272,186,586.91
  5. Step 5: Solve for x
    x = 1,272,186,586.91/40,172.99
  6. Step 6: Final answer
    x = 31,667.71

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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.