Home / 53,964.86-80,901.13-20,708.79

Finding the Fourth Proportional to 53,964.86, 80,901.13 and 20,708.79

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Solution

The fourth proportional to 53,964.86, 80,901.13 and 20,708.79 is: 31,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.86 : 80,901.13 = 20,708.79 : x
  2. Step 2: Convert to fraction form
    53,964.86/80,901.13 = 20,708.79/x
  3. Step 3: Cross multiply
    53,964.86x = 80,901.13 × 20,708.79
  4. Step 4: Simplify right side
    53,964.86x = 1,675,364,423.14
  5. Step 5: Solve for x
    x = 1,675,364,423.14/53,964.86
  6. Step 6: Final answer
    x = 31,045.47

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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.