Home / 51,144.58-76,703.91-21,562.18

Finding the Fourth Proportional to 51,144.58, 76,703.91 and 21,562.18

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Solution

The fourth proportional to 51,144.58, 76,703.91 and 21,562.18 is: 32,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.58 : 76,703.91 = 21,562.18 : x
  2. Step 2: Convert to fraction form
    51,144.58/76,703.91 = 21,562.18/x
  3. Step 3: Cross multiply
    51,144.58x = 76,703.91 × 21,562.18
  4. Step 4: Simplify right side
    51,144.58x = 1,653,903,514.12
  5. Step 5: Solve for x
    x = 1,653,903,514.12/51,144.58
  6. Step 6: Final answer
    x = 32,337.81

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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.