Home / 43,182.56-64,764.12-28,184.96

Finding the Fourth Proportional to 43,182.56, 64,764.12 and 28,184.96

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Solution

The fourth proportional to 43,182.56, 64,764.12 and 28,184.96 is: 42,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.56 : 64,764.12 = 28,184.96 : x
  2. Step 2: Convert to fraction form
    43,182.56/64,764.12 = 28,184.96/x
  3. Step 3: Cross multiply
    43,182.56x = 64,764.12 × 28,184.96
  4. Step 4: Simplify right side
    43,182.56x = 1,825,374,131.64
  5. Step 5: Solve for x
    x = 1,825,374,131.64/43,182.56
  6. Step 6: Final answer
    x = 42,271.10

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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.