Home / 54,953.20-82,429.80-13,400.20

Finding the Fourth Proportional to 54,953.20, 82,429.80 and 13,400.20

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Solution

The fourth proportional to 54,953.20, 82,429.80 and 13,400.20 is: 20,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.20 : 82,429.80 = 13,400.20 : x
  2. Step 2: Convert to fraction form
    54,953.20/82,429.80 = 13,400.20/x
  3. Step 3: Cross multiply
    54,953.20x = 82,429.80 × 13,400.20
  4. Step 4: Simplify right side
    54,953.20x = 1,104,575,805.96
  5. Step 5: Solve for x
    x = 1,104,575,805.96/54,953.20
  6. Step 6: Final answer
    x = 20,100.30

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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.