Home / 43,440.52-65,172.02-12,275.77

Finding the Fourth Proportional to 43,440.52, 65,172.02 and 12,275.77

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Solution

The fourth proportional to 43,440.52, 65,172.02 and 12,275.77 is: 18,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,440.52 : 65,172.02 = 12,275.77 : x
  2. Step 2: Convert to fraction form
    43,440.52/65,172.02 = 12,275.77/x
  3. Step 3: Cross multiply
    43,440.52x = 65,172.02 × 12,275.77
  4. Step 4: Simplify right side
    43,440.52x = 800,036,727.96
  5. Step 5: Solve for x
    x = 800,036,727.96/43,440.52
  6. Step 6: Final answer
    x = 18,416.83

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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.