Home / 53,513.07-80,225.82-20,214.24

Finding the Fourth Proportional to 53,513.07, 80,225.82 and 20,214.24

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Solution

The fourth proportional to 53,513.07, 80,225.82 and 20,214.24 is: 30,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.07 : 80,225.82 = 20,214.24 : x
  2. Step 2: Convert to fraction form
    53,513.07/80,225.82 = 20,214.24/x
  3. Step 3: Cross multiply
    53,513.07x = 80,225.82 × 20,214.24
  4. Step 4: Simplify right side
    53,513.07x = 1,621,703,979.68
  5. Step 5: Solve for x
    x = 1,621,703,979.68/53,513.07
  6. Step 6: Final answer
    x = 30,304.82

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1.5x scale

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.