Home / 40,120.67-55,364.66-23,127.95

Finding the Fourth Proportional to 40,120.67, 55,364.66 and 23,127.95

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Solution

The fourth proportional to 40,120.67, 55,364.66 and 23,127.95 is: 31,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.67 : 55,364.66 = 23,127.95 : x
  2. Step 2: Convert to fraction form
    40,120.67/55,364.66 = 23,127.95/x
  3. Step 3: Cross multiply
    40,120.67x = 55,364.66 × 23,127.95
  4. Step 4: Simplify right side
    40,120.67x = 1,280,470,695.78
  5. Step 5: Solve for x
    x = 1,280,470,695.78/40,120.67
  6. Step 6: Final answer
    x = 31,915.49

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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.