Home / 53,217.41-79,857.02-19,960.63

Finding the Fourth Proportional to 53,217.41, 79,857.02 and 19,960.63

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Solution

The fourth proportional to 53,217.41, 79,857.02 and 19,960.63 is: 29,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.41 : 79,857.02 = 19,960.63 : x
  2. Step 2: Convert to fraction form
    53,217.41/79,857.02 = 19,960.63/x
  3. Step 3: Cross multiply
    53,217.41x = 79,857.02 × 19,960.63
  4. Step 4: Simplify right side
    53,217.41x = 1,593,996,279.38
  5. Step 5: Solve for x
    x = 1,593,996,279.38/53,217.41
  6. Step 6: Final answer
    x = 29,952.54

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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.