Home / 36,036.98-49,730.84-20,121.43

Finding the Fourth Proportional to 36,036.98, 49,730.84 and 20,121.43

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Solution

The fourth proportional to 36,036.98, 49,730.84 and 20,121.43 is: 27,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.98 : 49,730.84 = 20,121.43 : x
  2. Step 2: Convert to fraction form
    36,036.98/49,730.84 = 20,121.43/x
  3. Step 3: Cross multiply
    36,036.98x = 49,730.84 × 20,121.43
  4. Step 4: Simplify right side
    36,036.98x = 1,000,655,420.61
  5. Step 5: Solve for x
    x = 1,000,655,420.61/36,036.98
  6. Step 6: Final answer
    x = 27,767.46

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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.