Home / 49,943.81-74,926.67-18,779.06

Finding the Fourth Proportional to 49,943.81, 74,926.67 and 18,779.06

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Solution

The fourth proportional to 49,943.81, 74,926.67 and 18,779.06 is: 28,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,943.81 : 74,926.67 = 18,779.06 : x
  2. Step 2: Convert to fraction form
    49,943.81/74,926.67 = 18,779.06/x
  3. Step 3: Cross multiply
    49,943.81x = 74,926.67 × 18,779.06
  4. Step 4: Simplify right side
    49,943.81x = 1,407,052,524.95
  5. Step 5: Solve for x
    x = 1,407,052,524.95/49,943.81
  6. Step 6: Final answer
    x = 28,172.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.