Home / 31,813.32-43,903.71-17,666.07

Finding the Fourth Proportional to 31,813.32, 43,903.71 and 17,666.07

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Solution

The fourth proportional to 31,813.32, 43,903.71 and 17,666.07 is: 24,379.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,813.32 : 43,903.71 = 17,666.07 : x
  2. Step 2: Convert to fraction form
    31,813.32/43,903.71 = 17,666.07/x
  3. Step 3: Cross multiply
    31,813.32x = 43,903.71 × 17,666.07
  4. Step 4: Simplify right side
    31,813.32x = 775,606,014.12
  5. Step 5: Solve for x
    x = 775,606,014.12/31,813.32
  6. Step 6: Final answer
    x = 24,379.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.