Home / 43,137.13-64,705.70-19,763.57

Finding the Fourth Proportional to 43,137.13, 64,705.70 and 19,763.57

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Solution

The fourth proportional to 43,137.13, 64,705.70 and 19,763.57 is: 29,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.13 : 64,705.70 = 19,763.57 : x
  2. Step 2: Convert to fraction form
    43,137.13/64,705.70 = 19,763.57/x
  3. Step 3: Cross multiply
    43,137.13x = 64,705.70 × 19,763.57
  4. Step 4: Simplify right side
    43,137.13x = 1,278,815,631.35
  5. Step 5: Solve for x
    x = 1,278,815,631.35/43,137.13
  6. Step 6: Final answer
    x = 29,645.36

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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.