Home / 47,179.46-70,769.75-18,723.40

Finding the Fourth Proportional to 47,179.46, 70,769.75 and 18,723.40

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Solution

The fourth proportional to 47,179.46, 70,769.75 and 18,723.40 is: 28,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,179.46 : 70,769.75 = 18,723.40 : x
  2. Step 2: Convert to fraction form
    47,179.46/70,769.75 = 18,723.40/x
  3. Step 3: Cross multiply
    47,179.46x = 70,769.75 × 18,723.40
  4. Step 4: Simplify right side
    47,179.46x = 1,325,050,066.61
  5. Step 5: Solve for x
    x = 1,325,050,066.61/47,179.46
  6. Step 6: Final answer
    x = 28,085.32

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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.