Home / 53,779.68-80,538-46,431.36

Finding the Fourth Proportional to 53,779.68, 80,538 and 46,431.36

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Solution

The fourth proportional to 53,779.68, 80,538 and 46,431.36 is: 69,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.68 : 80,538 = 46,431.36 : x
  2. Step 2: Convert to fraction form
    53,779.68/80,538 = 46,431.36/x
  3. Step 3: Cross multiply
    53,779.68x = 80,538 × 46,431.36
  4. Step 4: Simplify right side
    53,779.68x = 3,739,488,871.68
  5. Step 5: Solve for x
    x = 3,739,488,871.68/53,779.68
  6. Step 6: Final answer
    x = 69,533.49

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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.