Home / 56,692.55-78,235.73-31,198.92

Finding the Fourth Proportional to 56,692.55, 78,235.73 and 31,198.92

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Solution

The fourth proportional to 56,692.55, 78,235.73 and 31,198.92 is: 43,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.55 : 78,235.73 = 31,198.92 : x
  2. Step 2: Convert to fraction form
    56,692.55/78,235.73 = 31,198.92/x
  3. Step 3: Cross multiply
    56,692.55x = 78,235.73 × 31,198.92
  4. Step 4: Simplify right side
    56,692.55x = 2,440,870,359.41
  5. Step 5: Solve for x
    x = 2,440,870,359.41/56,692.55
  6. Step 6: Final answer
    x = 43,054.52

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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.