Home / 47,172.08-70,716.84-19,074.80

Finding the Fourth Proportional to 47,172.08, 70,716.84 and 19,074.80

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Solution

The fourth proportional to 47,172.08, 70,716.84 and 19,074.80 is: 28,595.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,172.08 : 70,716.84 = 19,074.80 : x
  2. Step 2: Convert to fraction form
    47,172.08/70,716.84 = 19,074.80/x
  3. Step 3: Cross multiply
    47,172.08x = 70,716.84 × 19,074.80
  4. Step 4: Simplify right side
    47,172.08x = 1,348,909,579.63
  5. Step 5: Solve for x
    x = 1,348,909,579.63/47,172.08
  6. Step 6: Final answer
    x = 28,595.51

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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.