Home / 57,135.80-78,886.37-35,633.95

Finding the Fourth Proportional to 57,135.80, 78,886.37 and 35,633.95

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Solution

The fourth proportional to 57,135.80, 78,886.37 and 35,633.95 is: 49,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.80 : 78,886.37 = 35,633.95 : x
  2. Step 2: Convert to fraction form
    57,135.80/78,886.37 = 35,633.95/x
  3. Step 3: Cross multiply
    57,135.80x = 78,886.37 × 35,633.95
  4. Step 4: Simplify right side
    57,135.80x = 2,811,032,856.13
  5. Step 5: Solve for x
    x = 2,811,032,856.13/57,135.80
  6. Step 6: Final answer
    x = 49,199.15

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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.