Home / 43,216-64,834.94-12,051.25

Finding the Fourth Proportional to 43,216, 64,834.94 and 12,051.25

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Solution

The fourth proportional to 43,216, 64,834.94 and 12,051.25 is: 18,079.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216 : 64,834.94 = 12,051.25 : x
  2. Step 2: Convert to fraction form
    43,216/64,834.94 = 12,051.25/x
  3. Step 3: Cross multiply
    43,216x = 64,834.94 × 12,051.25
  4. Step 4: Simplify right side
    43,216x = 781,342,070.68
  5. Step 5: Solve for x
    x = 781,342,070.68/43,216
  6. Step 6: Final answer
    x = 18,079.93

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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.