Home / 50,041.80-75,061.08-20,451.69

Finding the Fourth Proportional to 50,041.80, 75,061.08 and 20,451.69

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Solution

The fourth proportional to 50,041.80, 75,061.08 and 20,451.69 is: 30,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,041.80 : 75,061.08 = 20,451.69 : x
  2. Step 2: Convert to fraction form
    50,041.80/75,061.08 = 20,451.69/x
  3. Step 3: Cross multiply
    50,041.80x = 75,061.08 × 20,451.69
  4. Step 4: Simplify right side
    50,041.80x = 1,535,125,939.23
  5. Step 5: Solve for x
    x = 1,535,125,939.23/50,041.80
  6. Step 6: Final answer
    x = 30,676.87

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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.