Home / 42,192.88-63,288.70-12,610.06

Finding the Fourth Proportional to 42,192.88, 63,288.70 and 12,610.06

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Solution

The fourth proportional to 42,192.88, 63,288.70 and 12,610.06 is: 18,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,192.88 : 63,288.70 = 12,610.06 : x
  2. Step 2: Convert to fraction form
    42,192.88/63,288.70 = 12,610.06/x
  3. Step 3: Cross multiply
    42,192.88x = 63,288.70 × 12,610.06
  4. Step 4: Simplify right side
    42,192.88x = 798,074,304.32
  5. Step 5: Solve for x
    x = 798,074,304.32/42,192.88
  6. Step 6: Final answer
    x = 18,914.90

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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.