Home / 36,920.40-50,950.28-20,153.68

Finding the Fourth Proportional to 36,920.40, 50,950.28 and 20,153.68

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Solution

The fourth proportional to 36,920.40, 50,950.28 and 20,153.68 is: 27,812.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,920.40 : 50,950.28 = 20,153.68 : x
  2. Step 2: Convert to fraction form
    36,920.40/50,950.28 = 20,153.68/x
  3. Step 3: Cross multiply
    36,920.40x = 50,950.28 × 20,153.68
  4. Step 4: Simplify right side
    36,920.40x = 1,026,835,639.03
  5. Step 5: Solve for x
    x = 1,026,835,639.03/36,920.40
  6. Step 6: Final answer
    x = 27,812.15

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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.