Home / 43,464.15-65,210.22-19,780.17

Finding the Fourth Proportional to 43,464.15, 65,210.22 and 19,780.17

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Solution

The fourth proportional to 43,464.15, 65,210.22 and 19,780.17 is: 29,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.15 : 65,210.22 = 19,780.17 : x
  2. Step 2: Convert to fraction form
    43,464.15/65,210.22 = 19,780.17/x
  3. Step 3: Cross multiply
    43,464.15x = 65,210.22 × 19,780.17
  4. Step 4: Simplify right side
    43,464.15x = 1,289,869,237.34
  5. Step 5: Solve for x
    x = 1,289,869,237.34/43,464.15
  6. Step 6: Final answer
    x = 29,676.62

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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.