Home / 34,151.35-47,098.14-21,405.81

Finding the Fourth Proportional to 34,151.35, 47,098.14 and 21,405.81

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Solution

The fourth proportional to 34,151.35, 47,098.14 and 21,405.81 is: 29,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.35 : 47,098.14 = 21,405.81 : x
  2. Step 2: Convert to fraction form
    34,151.35/47,098.14 = 21,405.81/x
  3. Step 3: Cross multiply
    34,151.35x = 47,098.14 × 21,405.81
  4. Step 4: Simplify right side
    34,151.35x = 1,008,173,836.19
  5. Step 5: Solve for x
    x = 1,008,173,836.19/34,151.35
  6. Step 6: Final answer
    x = 29,520.76

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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.