Home / 49,371.15-74,111.40-30,672.30

Finding the Fourth Proportional to 49,371.15, 74,111.40 and 30,672.30

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Solution

The fourth proportional to 49,371.15, 74,111.40 and 30,672.30 is: 46,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,371.15 : 74,111.40 = 30,672.30 : x
  2. Step 2: Convert to fraction form
    49,371.15/74,111.40 = 30,672.30/x
  3. Step 3: Cross multiply
    49,371.15x = 74,111.40 × 30,672.30
  4. Step 4: Simplify right side
    49,371.15x = 2,273,167,094.22
  5. Step 5: Solve for x
    x = 2,273,167,094.22/49,371.15
  6. Step 6: Final answer
    x = 46,042.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.