Home / 55,604.85-83,403.11-20,066.16

Finding the Fourth Proportional to 55,604.85, 83,403.11 and 20,066.16

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Solution

The fourth proportional to 55,604.85, 83,403.11 and 20,066.16 is: 30,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.85 : 83,403.11 = 20,066.16 : x
  2. Step 2: Convert to fraction form
    55,604.85/83,403.11 = 20,066.16/x
  3. Step 3: Cross multiply
    55,604.85x = 83,403.11 × 20,066.16
  4. Step 4: Simplify right side
    55,604.85x = 1,673,580,441.20
  5. Step 5: Solve for x
    x = 1,673,580,441.20/55,604.85
  6. Step 6: Final answer
    x = 30,097.74

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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.