Home / 53,784.96-80,735.52-40,779.36

Finding the Fourth Proportional to 53,784.96, 80,735.52 and 40,779.36

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Solution

The fourth proportional to 53,784.96, 80,735.52 and 40,779.36 is: 61,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.96 : 80,735.52 = 40,779.36 : x
  2. Step 2: Convert to fraction form
    53,784.96/80,735.52 = 40,779.36/x
  3. Step 3: Cross multiply
    53,784.96x = 80,735.52 × 40,779.36
  4. Step 4: Simplify right side
    53,784.96x = 3,292,342,834.87
  5. Step 5: Solve for x
    x = 3,292,342,834.87/53,784.96
  6. Step 6: Final answer
    x = 61,213.08

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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.