Home / 50,492.98-75,741.39-18,899.71

Finding the Fourth Proportional to 50,492.98, 75,741.39 and 18,899.71

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Solution

The fourth proportional to 50,492.98, 75,741.39 and 18,899.71 is: 28,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,492.98 : 75,741.39 = 18,899.71 : x
  2. Step 2: Convert to fraction form
    50,492.98/75,741.39 = 18,899.71/x
  3. Step 3: Cross multiply
    50,492.98x = 75,741.39 × 18,899.71
  4. Step 4: Simplify right side
    50,492.98x = 1,431,490,258.79
  5. Step 5: Solve for x
    x = 1,431,490,258.79/50,492.98
  6. Step 6: Final answer
    x = 28,350.29

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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.