Home / 31,316.21-43,273.64-22,803.55

Finding the Fourth Proportional to 31,316.21, 43,273.64 and 22,803.55

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Solution

The fourth proportional to 31,316.21, 43,273.64 and 22,803.55 is: 31,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.21 : 43,273.64 = 22,803.55 : x
  2. Step 2: Convert to fraction form
    31,316.21/43,273.64 = 22,803.55/x
  3. Step 3: Cross multiply
    31,316.21x = 43,273.64 × 22,803.55
  4. Step 4: Simplify right side
    31,316.21x = 986,792,613.42
  5. Step 5: Solve for x
    x = 986,792,613.42/31,316.21
  6. Step 6: Final answer
    x = 31,510.60

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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.