Home / 53,330.42-79,998.06-13,891.52

Finding the Fourth Proportional to 53,330.42, 79,998.06 and 13,891.52

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Solution

The fourth proportional to 53,330.42, 79,998.06 and 13,891.52 is: 20,837.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.42 : 79,998.06 = 13,891.52 : x
  2. Step 2: Convert to fraction form
    53,330.42/79,998.06 = 13,891.52/x
  3. Step 3: Cross multiply
    53,330.42x = 79,998.06 × 13,891.52
  4. Step 4: Simplify right side
    53,330.42x = 1,111,294,650.45
  5. Step 5: Solve for x
    x = 1,111,294,650.45/53,330.42
  6. Step 6: Final answer
    x = 20,837.91

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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.