Home / 53,217.18-79,827.46-19,930.92

Finding the Fourth Proportional to 53,217.18, 79,827.46 and 19,930.92

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Solution

The fourth proportional to 53,217.18, 79,827.46 and 19,930.92 is: 29,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.18 : 79,827.46 = 19,930.92 : x
  2. Step 2: Convert to fraction form
    53,217.18/79,827.46 = 19,930.92/x
  3. Step 3: Cross multiply
    53,217.18x = 79,827.46 × 19,930.92
  4. Step 4: Simplify right side
    53,217.18x = 1,591,034,719.06
  5. Step 5: Solve for x
    x = 1,591,034,719.06/53,217.18
  6. Step 6: Final answer
    x = 29,897.01

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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.