Home / 32,830.56-45,294.93-18,679.86

Finding the Fourth Proportional to 32,830.56, 45,294.93 and 18,679.86

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Solution

The fourth proportional to 32,830.56, 45,294.93 and 18,679.86 is: 25,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.56 : 45,294.93 = 18,679.86 : x
  2. Step 2: Convert to fraction form
    32,830.56/45,294.93 = 18,679.86/x
  3. Step 3: Cross multiply
    32,830.56x = 45,294.93 × 18,679.86
  4. Step 4: Simplify right side
    32,830.56x = 846,102,951.11
  5. Step 5: Solve for x
    x = 846,102,951.11/32,830.56
  6. Step 6: Final answer
    x = 25,771.81

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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.