Home / 50,301.81-75,452.73-18,711.21

Finding the Fourth Proportional to 50,301.81, 75,452.73 and 18,711.21

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Solution

The fourth proportional to 50,301.81, 75,452.73 and 18,711.21 is: 28,066.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,301.81 : 75,452.73 = 18,711.21 : x
  2. Step 2: Convert to fraction form
    50,301.81/75,452.73 = 18,711.21/x
  3. Step 3: Cross multiply
    50,301.81x = 75,452.73 × 18,711.21
  4. Step 4: Simplify right side
    50,301.81x = 1,411,811,876.10
  5. Step 5: Solve for x
    x = 1,411,811,876.10/50,301.81
  6. Step 6: Final answer
    x = 28,066.82

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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.