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Finding the Fourth Proportional to 36,546.51, 50,434.19 and 19,779.51

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Solution

The fourth proportional to 36,546.51, 50,434.19 and 19,779.51 is: 27,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,546.51 : 50,434.19 = 19,779.51 : x
  2. Step 2: Convert to fraction form
    36,546.51/50,434.19 = 19,779.51/x
  3. Step 3: Cross multiply
    36,546.51x = 50,434.19 × 19,779.51
  4. Step 4: Simplify right side
    36,546.51x = 997,563,466.55
  5. Step 5: Solve for x
    x = 997,563,466.55/36,546.51
  6. Step 6: Final answer
    x = 27,295.72

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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.