Home / 36,126.45-49,854.47-20,210.90

Finding the Fourth Proportional to 36,126.45, 49,854.47 and 20,210.90

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Solution

The fourth proportional to 36,126.45, 49,854.47 and 20,210.90 is: 27,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.45 : 49,854.47 = 20,210.90 : x
  2. Step 2: Convert to fraction form
    36,126.45/49,854.47 = 20,210.90/x
  3. Step 3: Cross multiply
    36,126.45x = 49,854.47 × 20,210.90
  4. Step 4: Simplify right side
    36,126.45x = 1,007,603,357.40
  5. Step 5: Solve for x
    x = 1,007,603,357.40/36,126.45
  6. Step 6: Final answer
    x = 27,891.01

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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.