Home / 30,262.32-45,355.14-13,604.58

Finding the Fourth Proportional to 30,262.32, 45,355.14 and 13,604.58

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Solution

The fourth proportional to 30,262.32, 45,355.14 and 13,604.58 is: 20,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.32 : 45,355.14 = 13,604.58 : x
  2. Step 2: Convert to fraction form
    30,262.32/45,355.14 = 13,604.58/x
  3. Step 3: Cross multiply
    30,262.32x = 45,355.14 × 13,604.58
  4. Step 4: Simplify right side
    30,262.32x = 617,037,630.54
  5. Step 5: Solve for x
    x = 617,037,630.54/30,262.32
  6. Step 6: Final answer
    x = 20,389.63

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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.