Home / 32,461.29-44,778.47-20,520.09

Finding the Fourth Proportional to 32,461.29, 44,778.47 and 20,520.09

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Solution

The fourth proportional to 32,461.29, 44,778.47 and 20,520.09 is: 28,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,461.29 : 44,778.47 = 20,520.09 : x
  2. Step 2: Convert to fraction form
    32,461.29/44,778.47 = 20,520.09/x
  3. Step 3: Cross multiply
    32,461.29x = 44,778.47 × 20,520.09
  4. Step 4: Simplify right side
    32,461.29x = 918,858,131.86
  5. Step 5: Solve for x
    x = 918,858,131.86/32,461.29
  6. Step 6: Final answer
    x = 28,306.27

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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.