Home / 54,139.52-74,644.23-34,986.87

Finding the Fourth Proportional to 54,139.52, 74,644.23 and 34,986.87

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Solution

The fourth proportional to 54,139.52, 74,644.23 and 34,986.87 is: 48,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.52 : 74,644.23 = 34,986.87 : x
  2. Step 2: Convert to fraction form
    54,139.52/74,644.23 = 34,986.87/x
  3. Step 3: Cross multiply
    54,139.52x = 74,644.23 × 34,986.87
  4. Step 4: Simplify right side
    54,139.52x = 2,611,568,102.46
  5. Step 5: Solve for x
    x = 2,611,568,102.46/54,139.52
  6. Step 6: Final answer
    x = 48,237.74

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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.