Home / 43,022.03-64,549.60-20,833.70

Finding the Fourth Proportional to 43,022.03, 64,549.60 and 20,833.70

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Solution

The fourth proportional to 43,022.03, 64,549.60 and 20,833.70 is: 31,258.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,022.03 : 64,549.60 = 20,833.70 : x
  2. Step 2: Convert to fraction form
    43,022.03/64,549.60 = 20,833.70/x
  3. Step 3: Cross multiply
    43,022.03x = 64,549.60 × 20,833.70
  4. Step 4: Simplify right side
    43,022.03x = 1,344,807,110.81
  5. Step 5: Solve for x
    x = 1,344,807,110.81/43,022.03
  6. Step 6: Final answer
    x = 31,258.57

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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.