Home / 52,310.12-72,188.42-28,436.81

Finding the Fourth Proportional to 52,310.12, 72,188.42 and 28,436.81

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Solution

The fourth proportional to 52,310.12, 72,188.42 and 28,436.81 is: 39,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.12 : 72,188.42 = 28,436.81 : x
  2. Step 2: Convert to fraction form
    52,310.12/72,188.42 = 28,436.81/x
  3. Step 3: Cross multiply
    52,310.12x = 72,188.42 × 28,436.81
  4. Step 4: Simplify right side
    52,310.12x = 2,052,807,880.61
  5. Step 5: Solve for x
    x = 2,052,807,880.61/52,310.12
  6. Step 6: Final answer
    x = 39,243.04

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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.