Home / 30,217.05-45,310.01-13,562.81

Finding the Fourth Proportional to 30,217.05, 45,310.01 and 13,562.81

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Solution

The fourth proportional to 30,217.05, 45,310.01 and 13,562.81 is: 20,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.05 : 45,310.01 = 13,562.81 : x
  2. Step 2: Convert to fraction form
    30,217.05/45,310.01 = 13,562.81/x
  3. Step 3: Cross multiply
    30,217.05x = 45,310.01 × 13,562.81
  4. Step 4: Simplify right side
    30,217.05x = 614,530,762.36
  5. Step 5: Solve for x
    x = 614,530,762.36/30,217.05
  6. Step 6: Final answer
    x = 20,337.22

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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.