Home / 42,410.65-63,625.97-12,828.73

Finding the Fourth Proportional to 42,410.65, 63,625.97 and 12,828.73

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Solution

The fourth proportional to 42,410.65, 63,625.97 and 12,828.73 is: 19,246.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,410.65 : 63,625.97 = 12,828.73 : x
  2. Step 2: Convert to fraction form
    42,410.65/63,625.97 = 12,828.73/x
  3. Step 3: Cross multiply
    42,410.65x = 63,625.97 × 12,828.73
  4. Step 4: Simplify right side
    42,410.65x = 816,240,325.97
  5. Step 5: Solve for x
    x = 816,240,325.97/42,410.65
  6. Step 6: Final answer
    x = 19,246.12

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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.