Home / 43,720.50-65,581.34-13,733.76

Finding the Fourth Proportional to 43,720.50, 65,581.34 and 13,733.76

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Solution

The fourth proportional to 43,720.50, 65,581.34 and 13,733.76 is: 20,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.50 : 65,581.34 = 13,733.76 : x
  2. Step 2: Convert to fraction form
    43,720.50/65,581.34 = 13,733.76/x
  3. Step 3: Cross multiply
    43,720.50x = 65,581.34 × 13,733.76
  4. Step 4: Simplify right side
    43,720.50x = 900,678,315.37
  5. Step 5: Solve for x
    x = 900,678,315.37/43,720.50
  6. Step 6: Final answer
    x = 20,600.82

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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.