Home / 41,428.64-57,147.32-29,315.52

Finding the Fourth Proportional to 41,428.64, 57,147.32 and 29,315.52

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Solution

The fourth proportional to 41,428.64, 57,147.32 and 29,315.52 is: 40,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,428.64 : 57,147.32 = 29,315.52 : x
  2. Step 2: Convert to fraction form
    41,428.64/57,147.32 = 29,315.52/x
  3. Step 3: Cross multiply
    41,428.64x = 57,147.32 × 29,315.52
  4. Step 4: Simplify right side
    41,428.64x = 1,675,303,402.41
  5. Step 5: Solve for x
    x = 1,675,303,402.41/41,428.64
  6. Step 6: Final answer
    x = 40,438.29

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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.