Home / 43,079.99-64,553.96-28,987.88

Finding the Fourth Proportional to 43,079.99, 64,553.96 and 28,987.88

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Solution

The fourth proportional to 43,079.99, 64,553.96 and 28,987.88 is: 43,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,079.99 : 64,553.96 = 28,987.88 : x
  2. Step 2: Convert to fraction form
    43,079.99/64,553.96 = 28,987.88/x
  3. Step 3: Cross multiply
    43,079.99x = 64,553.96 × 28,987.88
  4. Step 4: Simplify right side
    43,079.99x = 1,871,282,195.70
  5. Step 5: Solve for x
    x = 1,871,282,195.70/43,079.99
  6. Step 6: Final answer
    x = 43,437.39

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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.