Home / 53,535.26-80,308.40-18,466.72

Finding the Fourth Proportional to 53,535.26, 80,308.40 and 18,466.72

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Solution

The fourth proportional to 53,535.26, 80,308.40 and 18,466.72 is: 27,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.26 : 80,308.40 = 18,466.72 : x
  2. Step 2: Convert to fraction form
    53,535.26/80,308.40 = 18,466.72/x
  3. Step 3: Cross multiply
    53,535.26x = 80,308.40 × 18,466.72
  4. Step 4: Simplify right side
    53,535.26x = 1,483,032,443.34
  5. Step 5: Solve for x
    x = 1,483,032,443.34/53,535.26
  6. Step 6: Final answer
    x = 27,701.97

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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.