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Finding the Fourth Proportional to 30,352.71, 45,535.21 and 10,645.14

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Solution

The fourth proportional to 30,352.71, 45,535.21 and 10,645.14 is: 15,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,352.71 : 45,535.21 = 10,645.14 : x
  2. Step 2: Convert to fraction form
    30,352.71/45,535.21 = 10,645.14/x
  3. Step 3: Cross multiply
    30,352.71x = 45,535.21 × 10,645.14
  4. Step 4: Simplify right side
    30,352.71x = 484,728,658.77
  5. Step 5: Solve for x
    x = 484,728,658.77/30,352.71
  6. Step 6: Final answer
    x = 15,969.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.