Home / 53,347.62-80,021.49-13,904.70

Finding the Fourth Proportional to 53,347.62, 80,021.49 and 13,904.70

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Solution

The fourth proportional to 53,347.62, 80,021.49 and 13,904.70 is: 20,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.62 : 80,021.49 = 13,904.70 : x
  2. Step 2: Convert to fraction form
    53,347.62/80,021.49 = 13,904.70/x
  3. Step 3: Cross multiply
    53,347.62x = 80,021.49 × 13,904.70
  4. Step 4: Simplify right side
    53,347.62x = 1,112,674,812.00
  5. Step 5: Solve for x
    x = 1,112,674,812.00/53,347.62
  6. Step 6: Final answer
    x = 20,857.07

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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.