Home / 47,819.11-66,037.71-39,404.62

Finding the Fourth Proportional to 47,819.11, 66,037.71 and 39,404.62

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Solution

The fourth proportional to 47,819.11, 66,037.71 and 39,404.62 is: 54,417.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.11 : 66,037.71 = 39,404.62 : x
  2. Step 2: Convert to fraction form
    47,819.11/66,037.71 = 39,404.62/x
  3. Step 3: Cross multiply
    47,819.11x = 66,037.71 × 39,404.62
  4. Step 4: Simplify right side
    47,819.11x = 2,602,190,868.22
  5. Step 5: Solve for x
    x = 2,602,190,868.22/47,819.11
  6. Step 6: Final answer
    x = 54,417.38

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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.