Home / 47,898.69-66,115.52-30,903.42

Finding the Fourth Proportional to 47,898.69, 66,115.52 and 30,903.42

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Solution

The fourth proportional to 47,898.69, 66,115.52 and 30,903.42 is: 42,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,898.69 : 66,115.52 = 30,903.42 : x
  2. Step 2: Convert to fraction form
    47,898.69/66,115.52 = 30,903.42/x
  3. Step 3: Cross multiply
    47,898.69x = 66,115.52 × 30,903.42
  4. Step 4: Simplify right side
    47,898.69x = 2,043,195,528.56
  5. Step 5: Solve for x
    x = 2,043,195,528.56/47,898.69
  6. Step 6: Final answer
    x = 42,656.61

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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.