Home / 47,900.91-66,104.58-28,774.24

Finding the Fourth Proportional to 47,900.91, 66,104.58 and 28,774.24

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Solution

The fourth proportional to 47,900.91, 66,104.58 and 28,774.24 is: 39,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.91 : 66,104.58 = 28,774.24 : x
  2. Step 2: Convert to fraction form
    47,900.91/66,104.58 = 28,774.24/x
  3. Step 3: Cross multiply
    47,900.91x = 66,104.58 × 28,774.24
  4. Step 4: Simplify right side
    47,900.91x = 1,902,109,050.02
  5. Step 5: Solve for x
    x = 1,902,109,050.02/47,900.91
  6. Step 6: Final answer
    x = 39,709.25

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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.