Home / 32,900.85-45,403.70-18,753.39

Finding the Fourth Proportional to 32,900.85, 45,403.70 and 18,753.39

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Solution

The fourth proportional to 32,900.85, 45,403.70 and 18,753.39 is: 25,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.85 : 45,403.70 = 18,753.39 : x
  2. Step 2: Convert to fraction form
    32,900.85/45,403.70 = 18,753.39/x
  3. Step 3: Cross multiply
    32,900.85x = 45,403.70 × 18,753.39
  4. Step 4: Simplify right side
    32,900.85x = 851,473,199.78
  5. Step 5: Solve for x
    x = 851,473,199.78/32,900.85
  6. Step 6: Final answer
    x = 25,879.98

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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.