Home / 55,510.21-76,602.19-31,644.57

Finding the Fourth Proportional to 55,510.21, 76,602.19 and 31,644.57

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Solution

The fourth proportional to 55,510.21, 76,602.19 and 31,644.57 is: 43,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.21 : 76,602.19 = 31,644.57 : x
  2. Step 2: Convert to fraction form
    55,510.21/76,602.19 = 31,644.57/x
  3. Step 3: Cross multiply
    55,510.21x = 76,602.19 × 31,644.57
  4. Step 4: Simplify right side
    55,510.21x = 2,424,043,205.39
  5. Step 5: Solve for x
    x = 2,424,043,205.39/55,510.21
  6. Step 6: Final answer
    x = 43,668.42

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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.