Home / 51,030.66-76,515.84-19,443.18

Finding the Fourth Proportional to 51,030.66, 76,515.84 and 19,443.18

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Solution

The fourth proportional to 51,030.66, 76,515.84 and 19,443.18 is: 29,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,030.66 : 76,515.84 = 19,443.18 : x
  2. Step 2: Convert to fraction form
    51,030.66/76,515.84 = 19,443.18/x
  3. Step 3: Cross multiply
    51,030.66x = 76,515.84 × 19,443.18
  4. Step 4: Simplify right side
    51,030.66x = 1,487,711,249.97
  5. Step 5: Solve for x
    x = 1,487,711,249.97/51,030.66
  6. Step 6: Final answer
    x = 29,153.28

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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.