Home / 40,120.25-55,364.67-23,124.56

Finding the Fourth Proportional to 40,120.25, 55,364.67 and 23,124.56

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Solution

The fourth proportional to 40,120.25, 55,364.67 and 23,124.56 is: 31,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.25 : 55,364.67 = 23,124.56 : x
  2. Step 2: Convert to fraction form
    40,120.25/55,364.67 = 23,124.56/x
  3. Step 3: Cross multiply
    40,120.25x = 55,364.67 × 23,124.56
  4. Step 4: Simplify right side
    40,120.25x = 1,280,283,356.47
  5. Step 5: Solve for x
    x = 1,280,283,356.47/40,120.25
  6. Step 6: Final answer
    x = 31,911.15

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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.