Home / 55,541.16-76,651.02-31,668.39

Finding the Fourth Proportional to 55,541.16, 76,651.02 and 31,668.39

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Solution

The fourth proportional to 55,541.16, 76,651.02 and 31,668.39 is: 43,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.16 : 76,651.02 = 31,668.39 : x
  2. Step 2: Convert to fraction form
    55,541.16/76,651.02 = 31,668.39/x
  3. Step 3: Cross multiply
    55,541.16x = 76,651.02 × 31,668.39
  4. Step 4: Simplify right side
    55,541.16x = 2,427,414,395.26
  5. Step 5: Solve for x
    x = 2,427,414,395.26/55,541.16
  6. Step 6: Final answer
    x = 43,704.78

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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.