Home / 36,073.87-49,780.98-20,158.45

Finding the Fourth Proportional to 36,073.87, 49,780.98 and 20,158.45

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Solution

The fourth proportional to 36,073.87, 49,780.98 and 20,158.45 is: 27,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,073.87 : 49,780.98 = 20,158.45 : x
  2. Step 2: Convert to fraction form
    36,073.87/49,780.98 = 20,158.45/x
  3. Step 3: Cross multiply
    36,073.87x = 49,780.98 × 20,158.45
  4. Step 4: Simplify right side
    36,073.87x = 1,003,507,396.28
  5. Step 5: Solve for x
    x = 1,003,507,396.28/36,073.87
  6. Step 6: Final answer
    x = 27,818.12

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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.