Home / 42,610.20-63,914.70-19,236.60

Finding the Fourth Proportional to 42,610.20, 63,914.70 and 19,236.60

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Solution

The fourth proportional to 42,610.20, 63,914.70 and 19,236.60 is: 28,854.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.20 : 63,914.70 = 19,236.60 : x
  2. Step 2: Convert to fraction form
    42,610.20/63,914.70 = 19,236.60/x
  3. Step 3: Cross multiply
    42,610.20x = 63,914.70 × 19,236.60
  4. Step 4: Simplify right side
    42,610.20x = 1,229,501,518.02
  5. Step 5: Solve for x
    x = 1,229,501,518.02/42,610.20
  6. Step 6: Final answer
    x = 28,854.63

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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.