Home / 23,052.05-31,809.18-12,980.24

Finding the Fourth Proportional to 23,052.05, 31,809.18 and 12,980.24

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Solution

The fourth proportional to 23,052.05, 31,809.18 and 12,980.24 is: 17,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.05 : 31,809.18 = 12,980.24 : x
  2. Step 2: Convert to fraction form
    23,052.05/31,809.18 = 12,980.24/x
  3. Step 3: Cross multiply
    23,052.05x = 31,809.18 × 12,980.24
  4. Step 4: Simplify right side
    23,052.05x = 412,890,631.56
  5. Step 5: Solve for x
    x = 412,890,631.56/23,052.05
  6. Step 6: Final answer
    x = 17,911.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.