Home / 53,953.70-74,456.15-30,079.89

Finding the Fourth Proportional to 53,953.70, 74,456.15 and 30,079.89

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Solution

The fourth proportional to 53,953.70, 74,456.15 and 30,079.89 is: 41,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,953.70 : 74,456.15 = 30,079.89 : x
  2. Step 2: Convert to fraction form
    53,953.70/74,456.15 = 30,079.89/x
  3. Step 3: Cross multiply
    53,953.70x = 74,456.15 × 30,079.89
  4. Step 4: Simplify right side
    53,953.70x = 2,239,632,651.42
  5. Step 5: Solve for x
    x = 2,239,632,651.42/53,953.70
  6. Step 6: Final answer
    x = 41,510.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.