Home / 52,629.16-72,629.28-28,757.32

Finding the Fourth Proportional to 52,629.16, 72,629.28 and 28,757.32

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Solution

The fourth proportional to 52,629.16, 72,629.28 and 28,757.32 is: 39,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,629.16 : 72,629.28 = 28,757.32 : x
  2. Step 2: Convert to fraction form
    52,629.16/72,629.28 = 28,757.32/x
  3. Step 3: Cross multiply
    52,629.16x = 72,629.28 × 28,757.32
  4. Step 4: Simplify right side
    52,629.16x = 2,088,623,446.33
  5. Step 5: Solve for x
    x = 2,088,623,446.33/52,629.16
  6. Step 6: Final answer
    x = 39,685.67

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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.