Home / 30,011.60-44,989.88-11,529.68

Finding the Fourth Proportional to 30,011.60, 44,989.88 and 11,529.68

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Solution

The fourth proportional to 30,011.60, 44,989.88 and 11,529.68 is: 17,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.60 : 44,989.88 = 11,529.68 : x
  2. Step 2: Convert to fraction form
    30,011.60/44,989.88 = 11,529.68/x
  3. Step 3: Cross multiply
    30,011.60x = 44,989.88 × 11,529.68
  4. Step 4: Simplify right side
    30,011.60x = 518,718,919.64
  5. Step 5: Solve for x
    x = 518,718,919.64/30,011.60
  6. Step 6: Final answer
    x = 17,283.95

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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.