Home / 53,710.99-80,568.51-20,424.85

Finding the Fourth Proportional to 53,710.99, 80,568.51 and 20,424.85

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Solution

The fourth proportional to 53,710.99, 80,568.51 and 20,424.85 is: 30,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,710.99 : 80,568.51 = 20,424.85 : x
  2. Step 2: Convert to fraction form
    53,710.99/80,568.51 = 20,424.85/x
  3. Step 3: Cross multiply
    53,710.99x = 80,568.51 × 20,424.85
  4. Step 4: Simplify right side
    53,710.99x = 1,645,599,731.47
  5. Step 5: Solve for x
    x = 1,645,599,731.47/53,710.99
  6. Step 6: Final answer
    x = 30,638.05

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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.