Home / 38,423.10-53,029.05-22,513.89

Finding the Fourth Proportional to 38,423.10, 53,029.05 and 22,513.89

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Solution

The fourth proportional to 38,423.10, 53,029.05 and 22,513.89 is: 31,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,423.10 : 53,029.05 = 22,513.89 : x
  2. Step 2: Convert to fraction form
    38,423.10/53,029.05 = 22,513.89/x
  3. Step 3: Cross multiply
    38,423.10x = 53,029.05 × 22,513.89
  4. Step 4: Simplify right side
    38,423.10x = 1,193,890,198.50
  5. Step 5: Solve for x
    x = 1,193,890,198.50/38,423.10
  6. Step 6: Final answer
    x = 31,072.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.