Home / 34,808.41-47,999.29-20,658.52

Finding the Fourth Proportional to 34,808.41, 47,999.29 and 20,658.52

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Solution

The fourth proportional to 34,808.41, 47,999.29 and 20,658.52 is: 28,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.41 : 47,999.29 = 20,658.52 : x
  2. Step 2: Convert to fraction form
    34,808.41/47,999.29 = 20,658.52/x
  3. Step 3: Cross multiply
    34,808.41x = 47,999.29 × 20,658.52
  4. Step 4: Simplify right side
    34,808.41x = 991,594,292.45
  5. Step 5: Solve for x
    x = 991,594,292.45/34,808.41
  6. Step 6: Final answer
    x = 28,487.20

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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.