Home / 43,597.28-65,386.18-20,220.68

Finding the Fourth Proportional to 43,597.28, 65,386.18 and 20,220.68

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Solution

The fourth proportional to 43,597.28, 65,386.18 and 20,220.68 is: 30,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,597.28 : 65,386.18 = 20,220.68 : x
  2. Step 2: Convert to fraction form
    43,597.28/65,386.18 = 20,220.68/x
  3. Step 3: Cross multiply
    43,597.28x = 65,386.18 × 20,220.68
  4. Step 4: Simplify right side
    43,597.28x = 1,322,153,022.20
  5. Step 5: Solve for x
    x = 1,322,153,022.20/43,597.28
  6. Step 6: Final answer
    x = 30,326.50

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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.