Home / 55,454.28-83,131.50-19,907.26

Finding the Fourth Proportional to 55,454.28, 83,131.50 and 19,907.26

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Solution

The fourth proportional to 55,454.28, 83,131.50 and 19,907.26 is: 29,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454.28 : 83,131.50 = 19,907.26 : x
  2. Step 2: Convert to fraction form
    55,454.28/83,131.50 = 19,907.26/x
  3. Step 3: Cross multiply
    55,454.28x = 83,131.50 × 19,907.26
  4. Step 4: Simplify right side
    55,454.28x = 1,654,920,384.69
  5. Step 5: Solve for x
    x = 1,654,920,384.69/55,454.28
  6. Step 6: Final answer
    x = 29,842.97

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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.