Home / 57,152.40-78,871.43-34,205.85

Finding the Fourth Proportional to 57,152.40, 78,871.43 and 34,205.85

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Solution

The fourth proportional to 57,152.40, 78,871.43 and 34,205.85 is: 47,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.40 : 78,871.43 = 34,205.85 : x
  2. Step 2: Convert to fraction form
    57,152.40/78,871.43 = 34,205.85/x
  3. Step 3: Cross multiply
    57,152.40x = 78,871.43 × 34,205.85
  4. Step 4: Simplify right side
    57,152.40x = 2,697,863,738.48
  5. Step 5: Solve for x
    x = 2,697,863,738.48/57,152.40
  6. Step 6: Final answer
    x = 47,204.74

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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.