Home / 43,110.70-64,641.66-16,785.16

Finding the Fourth Proportional to 43,110.70, 64,641.66 and 16,785.16

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Solution

The fourth proportional to 43,110.70, 64,641.66 and 16,785.16 is: 25,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,110.70 : 64,641.66 = 16,785.16 : x
  2. Step 2: Convert to fraction form
    43,110.70/64,641.66 = 16,785.16/x
  3. Step 3: Cross multiply
    43,110.70x = 64,641.66 × 16,785.16
  4. Step 4: Simplify right side
    43,110.70x = 1,085,020,605.77
  5. Step 5: Solve for x
    x = 1,085,020,605.77/43,110.70
  6. Step 6: Final answer
    x = 25,168.24

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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.