Home / 43,069.86-64,538.84-28,977.68

Finding the Fourth Proportional to 43,069.86, 64,538.84 and 28,977.68

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Solution

The fourth proportional to 43,069.86, 64,538.84 and 28,977.68 is: 43,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,069.86 : 64,538.84 = 28,977.68 : x
  2. Step 2: Convert to fraction form
    43,069.86/64,538.84 = 28,977.68/x
  3. Step 3: Cross multiply
    43,069.86x = 64,538.84 × 28,977.68
  4. Step 4: Simplify right side
    43,069.86x = 1,870,186,086.88
  5. Step 5: Solve for x
    x = 1,870,186,086.88/43,069.86
  6. Step 6: Final answer
    x = 43,422.15

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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.