Home / 57,040.38-78,689.54-36,903.74

Finding the Fourth Proportional to 57,040.38, 78,689.54 and 36,903.74

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Solution

The fourth proportional to 57,040.38, 78,689.54 and 36,903.74 is: 50,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.38 : 78,689.54 = 36,903.74 : x
  2. Step 2: Convert to fraction form
    57,040.38/78,689.54 = 36,903.74/x
  3. Step 3: Cross multiply
    57,040.38x = 78,689.54 × 36,903.74
  4. Step 4: Simplify right side
    57,040.38x = 2,903,938,324.88
  5. Step 5: Solve for x
    x = 2,903,938,324.88/57,040.38
  6. Step 6: Final answer
    x = 50,910.22

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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.