Home / 42,227.90-63,338.20-12,652.37

Finding the Fourth Proportional to 42,227.90, 63,338.20 and 12,652.37

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Solution

The fourth proportional to 42,227.90, 63,338.20 and 12,652.37 is: 18,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,227.90 : 63,338.20 = 12,652.37 : x
  2. Step 2: Convert to fraction form
    42,227.90/63,338.20 = 12,652.37/x
  3. Step 3: Cross multiply
    42,227.90x = 63,338.20 × 12,652.37
  4. Step 4: Simplify right side
    42,227.90x = 801,378,341.53
  5. Step 5: Solve for x
    x = 801,378,341.53/42,227.90
  6. Step 6: Final answer
    x = 18,977.46

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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.