Home / 52,401.12-72,311.84-28,527.60

Finding the Fourth Proportional to 52,401.12, 72,311.84 and 28,527.60

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Solution

The fourth proportional to 52,401.12, 72,311.84 and 28,527.60 is: 39,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.12 : 72,311.84 = 28,527.60 : x
  2. Step 2: Convert to fraction form
    52,401.12/72,311.84 = 28,527.60/x
  3. Step 3: Cross multiply
    52,401.12x = 72,311.84 × 28,527.60
  4. Step 4: Simplify right side
    52,401.12x = 2,062,883,246.78
  5. Step 5: Solve for x
    x = 2,062,883,246.78/52,401.12
  6. Step 6: Final answer
    x = 39,367.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.