Home / 53,299.99-79,935.39-20,017.48

Finding the Fourth Proportional to 53,299.99, 79,935.39 and 20,017.48

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Solution

The fourth proportional to 53,299.99, 79,935.39 and 20,017.48 is: 30,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.99 : 79,935.39 = 20,017.48 : x
  2. Step 2: Convert to fraction form
    53,299.99/79,935.39 = 20,017.48/x
  3. Step 3: Cross multiply
    53,299.99x = 79,935.39 × 20,017.48
  4. Step 4: Simplify right side
    53,299.99x = 1,600,105,070.62
  5. Step 5: Solve for x
    x = 1,600,105,070.62/53,299.99
  6. Step 6: Final answer
    x = 30,020.74

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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.