Home / 47,578.68-65,628.84-30,605.04

Finding the Fourth Proportional to 47,578.68, 65,628.84 and 30,605.04

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Solution

The fourth proportional to 47,578.68, 65,628.84 and 30,605.04 is: 42,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.68 : 65,628.84 = 30,605.04 : x
  2. Step 2: Convert to fraction form
    47,578.68/65,628.84 = 30,605.04/x
  3. Step 3: Cross multiply
    47,578.68x = 65,628.84 × 30,605.04
  4. Step 4: Simplify right side
    47,578.68x = 2,008,573,273.35
  5. Step 5: Solve for x
    x = 2,008,573,273.35/47,578.68
  6. Step 6: Final answer
    x = 42,215.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.