Home / 43,318.29-64,979.73-13,733.85

Finding the Fourth Proportional to 43,318.29, 64,979.73 and 13,733.85

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Solution

The fourth proportional to 43,318.29, 64,979.73 and 13,733.85 is: 20,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,318.29 : 64,979.73 = 13,733.85 : x
  2. Step 2: Convert to fraction form
    43,318.29/64,979.73 = 13,733.85/x
  3. Step 3: Cross multiply
    43,318.29x = 64,979.73 × 13,733.85
  4. Step 4: Simplify right side
    43,318.29x = 892,421,864.86
  5. Step 5: Solve for x
    x = 892,421,864.86/43,318.29
  6. Step 6: Final answer
    x = 20,601.50

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1.5x scale

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.