Home / 33,688.75-50,511.52-13,980.91

Finding the Fourth Proportional to 33,688.75, 50,511.52 and 13,980.91

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Solution

The fourth proportional to 33,688.75, 50,511.52 and 13,980.91 is: 20,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.75 : 50,511.52 = 13,980.91 : x
  2. Step 2: Convert to fraction form
    33,688.75/50,511.52 = 13,980.91/x
  3. Step 3: Cross multiply
    33,688.75x = 50,511.52 × 13,980.91
  4. Step 4: Simplify right side
    33,688.75x = 706,197,015.08
  5. Step 5: Solve for x
    x = 706,197,015.08/33,688.75
  6. Step 6: Final answer
    x = 20,962.40

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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.