Home / 51,249.30-76,897.66-19,648.80

Finding the Fourth Proportional to 51,249.30, 76,897.66 and 19,648.80

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Solution

The fourth proportional to 51,249.30, 76,897.66 and 19,648.80 is: 29,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249.30 : 76,897.66 = 19,648.80 : x
  2. Step 2: Convert to fraction form
    51,249.30/76,897.66 = 19,648.80/x
  3. Step 3: Cross multiply
    51,249.30x = 76,897.66 × 19,648.80
  4. Step 4: Simplify right side
    51,249.30x = 1,510,946,741.81
  5. Step 5: Solve for x
    x = 1,510,946,741.81/51,249.30
  6. Step 6: Final answer
    x = 29,482.29

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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.