Home / 36,547.78-50,435.58-20,631.90

Finding the Fourth Proportional to 36,547.78, 50,435.58 and 20,631.90

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Solution

The fourth proportional to 36,547.78, 50,435.58 and 20,631.90 is: 28,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,547.78 : 50,435.58 = 20,631.90 : x
  2. Step 2: Convert to fraction form
    36,547.78/50,435.58 = 20,631.90/x
  3. Step 3: Cross multiply
    36,547.78x = 50,435.58 × 20,631.90
  4. Step 4: Simplify right side
    36,547.78x = 1,040,581,843.00
  5. Step 5: Solve for x
    x = 1,040,581,843.00/36,547.78
  6. Step 6: Final answer
    x = 28,471.82

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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.