Home / 43,738.08-65,606.69-20,038.90

Finding the Fourth Proportional to 43,738.08, 65,606.69 and 20,038.90

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Solution

The fourth proportional to 43,738.08, 65,606.69 and 20,038.90 is: 30,058.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,738.08 : 65,606.69 = 20,038.90 : x
  2. Step 2: Convert to fraction form
    43,738.08/65,606.69 = 20,038.90/x
  3. Step 3: Cross multiply
    43,738.08x = 65,606.69 × 20,038.90
  4. Step 4: Simplify right side
    43,738.08x = 1,314,685,800.05
  5. Step 5: Solve for x
    x = 1,314,685,800.05/43,738.08
  6. Step 6: Final answer
    x = 30,058.15

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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.