Home / 21,810.62-32,671.53-19,994.19

Finding the Fourth Proportional to 21,810.62, 32,671.53 and 19,994.19

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Solution

The fourth proportional to 21,810.62, 32,671.53 and 19,994.19 is: 29,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,810.62 : 32,671.53 = 19,994.19 : x
  2. Step 2: Convert to fraction form
    21,810.62/32,671.53 = 19,994.19/x
  3. Step 3: Cross multiply
    21,810.62x = 32,671.53 × 19,994.19
  4. Step 4: Simplify right side
    21,810.62x = 653,240,778.41
  5. Step 5: Solve for x
    x = 653,240,778.41/21,810.62
  6. Step 6: Final answer
    x = 29,950.59

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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.