Home / 56,979.36-85,459.86-19,537.92

Finding the Fourth Proportional to 56,979.36, 85,459.86 and 19,537.92

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Solution

The fourth proportional to 56,979.36, 85,459.86 and 19,537.92 is: 29,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979.36 : 85,459.86 = 19,537.92 : x
  2. Step 2: Convert to fraction form
    56,979.36/85,459.86 = 19,537.92/x
  3. Step 3: Cross multiply
    56,979.36x = 85,459.86 × 19,537.92
  4. Step 4: Simplify right side
    56,979.36x = 1,669,707,907.89
  5. Step 5: Solve for x
    x = 1,669,707,907.89/56,979.36
  6. Step 6: Final answer
    x = 29,303.73

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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.