Home / 42,185.06-63,277.62-12,602.90

Finding the Fourth Proportional to 42,185.06, 63,277.62 and 12,602.90

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Solution

The fourth proportional to 42,185.06, 63,277.62 and 12,602.90 is: 18,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,185.06 : 63,277.62 = 12,602.90 : x
  2. Step 2: Convert to fraction form
    42,185.06/63,277.62 = 12,602.90/x
  3. Step 3: Cross multiply
    42,185.06x = 63,277.62 × 12,602.90
  4. Step 4: Simplify right side
    42,185.06x = 797,481,517.10
  5. Step 5: Solve for x
    x = 797,481,517.10/42,185.06
  6. Step 6: Final answer
    x = 18,904.36

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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.