Home / 56,079.04-84,109.92-16,639.60

Finding the Fourth Proportional to 56,079.04, 84,109.92 and 16,639.60

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Solution

The fourth proportional to 56,079.04, 84,109.92 and 16,639.60 is: 24,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.04 : 84,109.92 = 16,639.60 : x
  2. Step 2: Convert to fraction form
    56,079.04/84,109.92 = 16,639.60/x
  3. Step 3: Cross multiply
    56,079.04x = 84,109.92 × 16,639.60
  4. Step 4: Simplify right side
    56,079.04x = 1,399,555,424.83
  5. Step 5: Solve for x
    x = 1,399,555,424.83/56,079.04
  6. Step 6: Final answer
    x = 24,956.84

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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.