Home / 50,639.99-75,767.25-30,575.63

Finding the Fourth Proportional to 50,639.99, 75,767.25 and 30,575.63

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Solution

The fourth proportional to 50,639.99, 75,767.25 and 30,575.63 is: 45,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.99 : 75,767.25 = 30,575.63 : x
  2. Step 2: Convert to fraction form
    50,639.99/75,767.25 = 30,575.63/x
  3. Step 3: Cross multiply
    50,639.99x = 75,767.25 × 30,575.63
  4. Step 4: Simplify right side
    50,639.99x = 2,316,631,108.02
  5. Step 5: Solve for x
    x = 2,316,631,108.02/50,639.99
  6. Step 6: Final answer
    x = 45,747.07

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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.