Home / 51,790.04-77,673.82-18,512.40

Finding the Fourth Proportional to 51,790.04, 77,673.82 and 18,512.40

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Solution

The fourth proportional to 51,790.04, 77,673.82 and 18,512.40 is: 27,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.04 : 77,673.82 = 18,512.40 : x
  2. Step 2: Convert to fraction form
    51,790.04/77,673.82 = 18,512.40/x
  3. Step 3: Cross multiply
    51,790.04x = 77,673.82 × 18,512.40
  4. Step 4: Simplify right side
    51,790.04x = 1,437,928,825.37
  5. Step 5: Solve for x
    x = 1,437,928,825.37/51,790.04
  6. Step 6: Final answer
    x = 27,764.58

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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.