Home / 34,311.55-47,339.15-19,201.81

Finding the Fourth Proportional to 34,311.55, 47,339.15 and 19,201.81

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Solution

The fourth proportional to 34,311.55, 47,339.15 and 19,201.81 is: 26,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.55 : 47,339.15 = 19,201.81 : x
  2. Step 2: Convert to fraction form
    34,311.55/47,339.15 = 19,201.81/x
  3. Step 3: Cross multiply
    34,311.55x = 47,339.15 × 19,201.81
  4. Step 4: Simplify right side
    34,311.55x = 908,997,315.86
  5. Step 5: Solve for x
    x = 908,997,315.86/34,311.55
  6. Step 6: Final answer
    x = 26,492.46

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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.