Home / 51,005.12-76,476.36-17,710.88

Finding the Fourth Proportional to 51,005.12, 76,476.36 and 17,710.88

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Solution

The fourth proportional to 51,005.12, 76,476.36 and 17,710.88 is: 26,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,005.12 : 76,476.36 = 17,710.88 : x
  2. Step 2: Convert to fraction form
    51,005.12/76,476.36 = 17,710.88/x
  3. Step 3: Cross multiply
    51,005.12x = 76,476.36 × 17,710.88
  4. Step 4: Simplify right side
    51,005.12x = 1,354,463,634.80
  5. Step 5: Solve for x
    x = 1,354,463,634.80/51,005.12
  6. Step 6: Final answer
    x = 26,555.44

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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.