Home / 55,558.46-76,668.72-31,692.76

Finding the Fourth Proportional to 55,558.46, 76,668.72 and 31,692.76

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Solution

The fourth proportional to 55,558.46, 76,668.72 and 31,692.76 is: 43,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.46 : 76,668.72 = 31,692.76 : x
  2. Step 2: Convert to fraction form
    55,558.46/76,668.72 = 31,692.76/x
  3. Step 3: Cross multiply
    55,558.46x = 76,668.72 × 31,692.76
  4. Step 4: Simplify right side
    55,558.46x = 2,429,843,342.47
  5. Step 5: Solve for x
    x = 2,429,843,342.47/55,558.46
  6. Step 6: Final answer
    x = 43,734.89

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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.