Home / 30,723.36-46,084.96-20,332.72

Finding the Fourth Proportional to 30,723.36, 46,084.96 and 20,332.72

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Solution

The fourth proportional to 30,723.36, 46,084.96 and 20,332.72 is: 30,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.36 : 46,084.96 = 20,332.72 : x
  2. Step 2: Convert to fraction form
    30,723.36/46,084.96 = 20,332.72/x
  3. Step 3: Cross multiply
    30,723.36x = 46,084.96 × 20,332.72
  4. Step 4: Simplify right side
    30,723.36x = 937,032,587.89
  5. Step 5: Solve for x
    x = 937,032,587.89/30,723.36
  6. Step 6: Final answer
    x = 30,499.03

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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.