Home / 23,230.36-34,810.86-19,878.76

Finding the Fourth Proportional to 23,230.36, 34,810.86 and 19,878.76

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Solution

The fourth proportional to 23,230.36, 34,810.86 and 19,878.76 is: 29,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,230.36 : 34,810.86 = 19,878.76 : x
  2. Step 2: Convert to fraction form
    23,230.36/34,810.86 = 19,878.76/x
  3. Step 3: Cross multiply
    23,230.36x = 34,810.86 × 19,878.76
  4. Step 4: Simplify right side
    23,230.36x = 691,996,731.33
  5. Step 5: Solve for x
    x = 691,996,731.33/23,230.36
  6. Step 6: Final answer
    x = 29,788.46

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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.