Home / 31,563.11-43,572.86-19,630.29

Finding the Fourth Proportional to 31,563.11, 43,572.86 and 19,630.29

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Solution

The fourth proportional to 31,563.11, 43,572.86 and 19,630.29 is: 27,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.11 : 43,572.86 = 19,630.29 : x
  2. Step 2: Convert to fraction form
    31,563.11/43,572.86 = 19,630.29/x
  3. Step 3: Cross multiply
    31,563.11x = 43,572.86 × 19,630.29
  4. Step 4: Simplify right side
    31,563.11x = 855,347,779.78
  5. Step 5: Solve for x
    x = 855,347,779.78/31,563.11
  6. Step 6: Final answer
    x = 27,099.61

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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.