Home / 52,401.38-72,313.78-28,528.22

Finding the Fourth Proportional to 52,401.38, 72,313.78 and 28,528.22

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Solution

The fourth proportional to 52,401.38, 72,313.78 and 28,528.22 is: 39,368.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.38 : 72,313.78 = 28,528.22 : x
  2. Step 2: Convert to fraction form
    52,401.38/72,313.78 = 28,528.22/x
  3. Step 3: Cross multiply
    52,401.38x = 72,313.78 × 28,528.22
  4. Step 4: Simplify right side
    52,401.38x = 2,062,983,424.87
  5. Step 5: Solve for x
    x = 2,062,983,424.87/52,401.38
  6. Step 6: Final answer
    x = 39,368.88

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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.