Home / 47,900.04-71,850.96-12,839.40

Finding the Fourth Proportional to 47,900.04, 71,850.96 and 12,839.40

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Solution

The fourth proportional to 47,900.04, 71,850.96 and 12,839.40 is: 19,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,900.04 : 71,850.96 = 12,839.40 : x
  2. Step 2: Convert to fraction form
    47,900.04/71,850.96 = 12,839.40/x
  3. Step 3: Cross multiply
    47,900.04x = 71,850.96 × 12,839.40
  4. Step 4: Simplify right side
    47,900.04x = 922,523,215.82
  5. Step 5: Solve for x
    x = 922,523,215.82/47,900.04
  6. Step 6: Final answer
    x = 19,259.34

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1.5x scale

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.