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Finding the Fourth Proportional to 64,458.56, 96,692.50 and 26,980.94

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Solution

The fourth proportional to 64,458.56, 96,692.50 and 26,980.94 is: 40,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.56 : 96,692.50 = 26,980.94 : x
  2. Step 2: Convert to fraction form
    64,458.56/96,692.50 = 26,980.94/x
  3. Step 3: Cross multiply
    64,458.56x = 96,692.50 × 26,980.94
  4. Step 4: Simplify right side
    64,458.56x = 2,608,854,540.95
  5. Step 5: Solve for x
    x = 2,608,854,540.95/64,458.56
  6. Step 6: Final answer
    x = 40,473.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.