Home / 43,572.56-65,365.67-18,612.74

Finding the Fourth Proportional to 43,572.56, 65,365.67 and 18,612.74

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Solution

The fourth proportional to 43,572.56, 65,365.67 and 18,612.74 is: 27,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.56 : 65,365.67 = 18,612.74 : x
  2. Step 2: Convert to fraction form
    43,572.56/65,365.67 = 18,612.74/x
  3. Step 3: Cross multiply
    43,572.56x = 65,365.67 × 18,612.74
  4. Step 4: Simplify right side
    43,572.56x = 1,216,634,290.99
  5. Step 5: Solve for x
    x = 1,216,634,290.99/43,572.56
  6. Step 6: Final answer
    x = 27,922.03

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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.